diff --git a/docs/tutorial/dynfam.rst b/docs/tutorial/dynfam.rst
index 11422a136..2739a466d 100644
--- a/docs/tutorial/dynfam.rst
+++ b/docs/tutorial/dynfam.rst
@@ -7,6 +7,9 @@ A dynamic family
 
    In this section we will learn how to create a dynamically built family.
 
+   In a dynamically built family, instead of duplicating the definition of 
+   identical variables in several families, they can be generated automatically.
+
 .. prerequisites:: Reminder
 
    We handled the HTTPS mode in the previous section. But there's more modes to handle.
@@ -144,9 +147,6 @@ This identifier is a parameter that enables us to create two families named `htt
   socks_proxy:
     description: "SOCKS Proxy"
 
-.. note:: The declaration syntax used is the :term:`Jinja <jinja>` templating syntax, 
-          Jinja which is widely used in python.
-
 .. attention:: Be careful when choosing your identifiers items: pay attention that the family 
                that will be dynamically created has not been declared before in some other 
                YAML structure file.
@@ -155,6 +155,11 @@ This identifier is a parameter that enables us to create two families named `htt
                build a `https_proxy` family and if this familiy already exists,
                then rougail will raise a family/variable override warning.
                
+               When choosing a name, 
+               
+               - rougail will put it in lowercase
+               - only ASCII and `_` characters are allowed.
+               
 When we launch the rougail command line, we can have a look at the concrete families and variables that have appear:
 
 .. code-block:: text
@@ -186,6 +191,8 @@ We can see that the dynamic family has created:
 as we wanted, containing an address and a port.
 
 
+.. todo:: déplacer ce hidden dans une autre page
+
 .. _conditional_hidden_family:
 
 A conditional hidden familiy
@@ -248,7 +255,7 @@ it uses `use_for_https` variable:
 
 .. keypoints:: Key points
 
-   - We now know what a generic family is, with its identifier.
+   - We now know what a dynamic family is, with its identifier.
    - we now how to create default values for a variable that is calculated
      because it retrieves the value of another variable. 
    - we know how to hide conditionaly a family with the same mechanism,