diff --git a/docs/gettingstarted.rst b/docs/gettingstarted.rst
index db3d71fd1..6f33b512c 100644
--- a/docs/gettingstarted.rst
+++ b/docs/gettingstarted.rst
@@ -40,11 +40,16 @@ Then again:
 What is a consistency handling system ?
 ------------------------------------------------
 
-.. questions:: Question
+.. questions:: Rougail, Tiramisu: What is all this stuff?
 
     **Question**: OK, I have understood that the Rougail library enables me to take advantage of the :xref:`tiramisu` library. But what is all this for? What is exactly a consistency handling system? And again, what is this :xref:`tiramisu library` used for?
 
-    **Answer**: Well, now we explain what this :xref:`tiramisu` library is, and how we are using it.
+    **Answer**: Well, we will explain in details what this :xref:`tiramisu` library is and what Rougail is. 
+    
+    In (very) short: 
+
+    - Rougail is the YAML consistency description of a configuration's situation
+    - Tiramisu is the consistency engine linter
 
 .. glossary::
 
diff --git a/docs/tutorial/boolean.rst b/docs/tutorial/boolean.rst
index e17916910..ac0f2d398 100644
--- a/docs/tutorial/boolean.rst
+++ b/docs/tutorial/boolean.rst
@@ -148,8 +148,28 @@ And with this :confval:`use_for_https` boolean variable, there are two possibili
 
 .. questions:: Question: disabled?
 
-   Is it relevant to use the :term:`disabled property <disabled>` here?   
+   Is it relevant to use the :term:`disabled property <disabled>` here? 
    
+   **answer**: No! Because we *need* to use these variables at any case, 
+   we simply have to point their values ​​in one direction or another depending on this or that situation.
+   
+   It is absolutely not a question of deactivating them. The :confval:`manual.https_proxy.address` 
+   and the :confval:`manual.http_proxy.port` variables shall not be disabled (deactivated) in the manual mode. 
+
+Let's introduce here a new concept. 
+
+The hidden property
+---------------------
+
+.. glossary:: 
+
+   hidden
+   
+       A variable or family's property is hidden if its value shall not be seen in a given consistency. 
+       Anyway, these variables can be used again if the situation evolves. This is the main difference 
+       between the `hidden` and the `disabled` properties.
+
+
 ..
    How can we tell Rougail that this :confval:`use_for_https` boolean variable is used to enable/disable 
    the use of variables from the entire family?