diff --git a/README.md b/README.md
index 93121f72..99949038 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
 - [Summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/branch/1.1/README.md)
-- [[tutorial v1.1_071] A variable with multiple value](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_071/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_071~1..v1.1_071))
+- [[tutorial v1.1_072] A non mandatory variable](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_072~1..v1.1_072))
 
-# [tutorial v1.1_072)] A non mandatory variable
+# [tutorial v1.1_073)] Examples
 
-[View the diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_072~1..v1.1_072)
+[View the diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_073~1..v1.1_073)
 
 
 ## Screenshot
@@ -29,7 +29,7 @@ pip install rougail-cli rougail-output-exporter rougail-output-doc rougail-user-
 Then switch to the tutorial page:
 
 ```shell
-git switch --detach v1.1_072
+git switch --detach v1.1_073
 ```
 
 ## Structure
@@ -37,13 +37,13 @@ git switch --detach v1.1_072
 
 
 <p>
-<a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./">.</a><br/>
-	└── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/">firefox</a><br/>
-	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/00-proxy.yml">00-proxy.yml</a><br/>
-	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/10-manual.yml">10-manual.yml</a><br/>
-	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/20-manual.yml">20-manual.yml</a><br/>
-	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/30-auto.yml">30-auto.yml</a><br/>
-	    └── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/40-no_proxy.yml">40-no_proxy.yml</a><br/>
+<a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./">.</a><br/>
+	└── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/">firefox</a><br/>
+	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/00-proxy.yml">00-proxy.yml</a><br/>
+	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/10-manual.yml">10-manual.yml</a><br/>
+	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/20-manual.yml">20-manual.yml</a><br/>
+	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/30-auto.yml">30-auto.yml</a><br/>
+	    └── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/40-no_proxy.yml">40-no_proxy.yml</a><br/>
 <br/><br/></p>
 
 Contents of the firefox/40-no_proxy.yml file
@@ -55,6 +55,10 @@ version: 1.1
 
 no_proxy:
   description: Address for which proxy will be desactivated
+  examples:
+    - .mozilla.org
+    - .net.nz
+    - 192.168.1.0/24
   type: domainname
   params:
     allow_ip: true
@@ -122,7 +126,7 @@ This family builds families dynamically
 | Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
 |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | **auto**<br/>[`web_address`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | Automatic proxy configuration URL.<br/>**Validator**: the domain name in web address can be only a hostname                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
-| **no_proxy**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) *`disabled`* `unique` `multiple`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Address for which proxy will be desactivated.<br/>**Validators**: <br/>- the domain name can starts by a dot<br/>- the domain name can be a hostname<br/>- the domain name can be an IP<br/>- the domain name can be network in CIDR format<br/>**Disabled**: when the variable "proxy_mode" has the value "No proxy"                                                                                                                                                                                                                                                                                                                                                                       |
+| **no_proxy**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) *`disabled`* `unique` `multiple`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Address for which proxy will be desactivated.<br/>**Validators**: <br/>- the domain name can starts by a dot<br/>- the domain name can be a hostname<br/>- the domain name can be an IP<br/>- the domain name can be network in CIDR format<br/>**Examples**: <br/>- .mozilla.org<br/>- .net.nz<br/>- 192.168.1.0/24<br/>**Disabled**: when the variable "proxy_mode" has the value "No proxy"                                                                                                                                                                                                                                                                                              |
 
 ### Let's generate the changelog
 
@@ -131,9 +135,9 @@ rougail -m firefox/ -o doc --doc.contents changelog
 ```
 #### Modified variable
 
-| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
-|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| **no_proxy**<br/>~~`mandatory`~~ [`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) *`disabled`* `unique` `multiple`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Address for which proxy will be desactivated.<br/>**Validators**: <br/>- the domain name can starts by a dot<br/>- the domain name can be a hostname<br/>- the domain name can be an IP<br/>- the domain name can be network in CIDR format<br/>**Disabled**: when the variable "proxy_mode" has the value "No proxy"                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
+| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
+|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| **no_proxy**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) *`disabled`* `unique` `multiple`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Address for which proxy will be desactivated.<br/>**Validators**: <br/>- the domain name can starts by a dot<br/>- the domain name can be a hostname<br/>- the domain name can be an IP<br/>- the domain name can be network in CIDR format<br/>**Examples**: <br/>- <ins>.mozilla.org</ins><br/>- <ins>.net.nz</ins><br/>- <ins>192.168.1.0/24</ins><br/>**Disabled**: when the variable "proxy_mode" has the value "No proxy"                                                                                                                                                                                                                                                             |
 
 
 ## User datas
@@ -180,4 +184,4 @@ rougail -m firefox/ -u yaml -yf config/02/config.yml
 </pre>
 
 
-- [[tutorial v1.1_073] Examples](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_073~1..v1.1_073))
+- [[tutorial v1.1_074] Help](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_074/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_074~1..v1.1_074))
diff --git a/tree.html b/tree.html
index b29b7c59..553aa71d 100644
--- a/tree.html
+++ b/tree.html
@@ -25,13 +25,13 @@
 </head>
 <body>
 	<h1>Directory Tree</h1><p>
-	<a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./">.</a><br>
-	└── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/">firefox</a><br>
-	&nbsp;&nbsp;&nbsp; ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/00-proxy.yml">00-proxy.yml</a><br>
-	&nbsp;&nbsp;&nbsp; ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/10-manual.yml">10-manual.yml</a><br>
-	&nbsp;&nbsp;&nbsp; ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/20-manual.yml">20-manual.yml</a><br>
-	&nbsp;&nbsp;&nbsp; ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/30-auto.yml">30-auto.yml</a><br>
-	&nbsp;&nbsp;&nbsp; └── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_072/./firefox/40-no_proxy.yml">40-no_proxy.yml</a><br>
+	<a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./">.</a><br>
+	└── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/">firefox</a><br>
+	&nbsp;&nbsp;&nbsp; ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/00-proxy.yml">00-proxy.yml</a><br>
+	&nbsp;&nbsp;&nbsp; ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/10-manual.yml">10-manual.yml</a><br>
+	&nbsp;&nbsp;&nbsp; ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/20-manual.yml">20-manual.yml</a><br>
+	&nbsp;&nbsp;&nbsp; ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/30-auto.yml">30-auto.yml</a><br>
+	&nbsp;&nbsp;&nbsp; └── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_073/./firefox/40-no_proxy.yml">40-no_proxy.yml</a><br>
 <br><br><p>
 
 2 directories, 5 files