minor #12280 Tweaked the explanation about the is_fully_authenticated() function (javiereguiluz)

This PR was merged into the 3.4 branch.

Discussion
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Tweaked the explanation about the is_fully_authenticated() function

Fixes #10688.

Commits
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0c121a1 Tweaked the explanation about the is_fully_authenticated() function

Author: javiereguiluz

security/expressions.rst

@@ -52,22 +52,22 @@ Inside the expression, you have access to a number of variables:
 
 Additionally, you have access to a number of functions inside the expression:
 
-``is_authenticated``
+``is_authenticated()``
     Returns ``true`` if the user is authenticated via "remember-me" or authenticated
     "fully" - i.e. returns true if the user is "logged in".
-``is_anonymous``
+``is_anonymous()``
     Returns ``true`` if the user is anonymous. That is, the firewall confirms that it
     does not know this user's identity. This is different from ``IS_AUTHENTICATED_ANONYMOUSLY``,
     which is granted to *all* users, including authenticated ones.
-``is_remember_me``
+``is_remember_me()``
     Similar, but not equal to ``IS_AUTHENTICATED_REMEMBERED``, see below.
-``is_fully_authenticated``
-    Similar, but not equal to ``IS_AUTHENTICATED_FULLY``, see below.
-``has_role``
+``is_fully_authenticated()``
+    Equal to checking if the user has the ``IS_AUTHENTICATED_FULLY`` role.
+``has_role()``
     Checks to see if the user has the given role - equivalent to an expression like
     ``'ROLE_ADMIN' in roles``.
 
-.. sidebar:: ``is_remember_me`` is different than checking ``IS_AUTHENTICATED_REMEMBERED``
+.. sidebar:: ``is_remember_me()`` is different than checking ``IS_AUTHENTICATED_REMEMBERED``
 
     The ``is_remember_me()`` and ``is_fully_authenticated()`` functions are *similar*
     to using ``IS_AUTHENTICATED_REMEMBERED`` and ``IS_AUTHENTICATED_FULLY``
@@ -87,7 +87,7 @@ Additionally, you have access to a number of functions inside the expression:
     Here, ``$access1`` and ``$access2`` will be the same value. Unlike the
     behavior of ``IS_AUTHENTICATED_REMEMBERED`` and ``IS_AUTHENTICATED_FULLY``,
     the ``is_remember_me()`` function *only* returns true if the user is authenticated
-    via a remember-me cookie and ``is_fully_authenticated`` *only* returns
+    via a remember-me cookie and ``is_fully_authenticated()`` *only* returns
     true if the user has actually logged in during this session (i.e. is
     full-fledged).