diff --git a/security/expressions.rst b/security/expressions.rst
index 8fb75c501d9..16f13ab7f0d 100644
--- a/security/expressions.rst
+++ b/security/expressions.rst
@@ -67,7 +67,7 @@ Additionally, you have access to a number of functions inside the expression:
 
 .. sidebar:: ``is_remember_me`` is different than checking ``IS_AUTHENTICATED_REMEMBERED``
 
-    The ``is_remember_me()`` and ``is_authenticated_fully()`` functions are *similar*
+    The ``is_remember_me()`` and ``is_fully_authenticated()`` functions are *similar*
     to using ``IS_AUTHENTICATED_REMEMBERED`` and ``IS_AUTHENTICATED_FULLY``
     with the ``isGranted()`` function - but they are **not** the same. The
     following shows the difference::