minor #13196 Fixed wording of "#13188" (HeahDude)

This PR was merged into the 3.4 branch. Discussion ---------- Fixed wording of "#13188" Commits ------- 6db8f75 Fixed wording of "#13188"

Author: HeahDude

security.rst

@@ -459,7 +459,7 @@ but in a second, you'll change this to use ``bcrypt``.
 .. caution::
 
  When using a ``memory`` provider and the :class:`Symfony\\Component\\Security\\Core\\User\\User`,
- you have to choose an encoding without salt (i.e. ``bcrypt``).
+ class you have to choose an encoding without salt (i.e. ``bcrypt``).
 
 If you refresh now, you'll be logged in! The web debug toolbar even tells
 you who you are and what roles you have: