Comment the /color command

doc/source/commands.rst

@@ -314,6 +314,20 @@ MultiUserChat tab commands
 .. glossary::
     :sorted:
 
+    /color
+        **Usage:** ``/color <nick> <color>``
+
+        Assign a color to the given nick. The nick and all its alias (nicks
+        are considered identical if they only differ by the presence of one
+        ore more **_** character at the begining or the end. For example
+        _Foo and Foo___ are considered aliases of the nick Foo) will then
+        always have the specified color, in all MultiUserChat tabs.  This is
+        true whatever the value of **deterministic_nick_colors** is.
+
+        Use the completion to get a list of all the available color values.
+        Use the special color **unset** to remove the attributed color on
+        this nick.
+
     /clear [MUCTab version]
         **Usage:** ``/clear``