Merge branch '5.0'

* 5.0:
  Minor tweak

Author: javiereguiluz

security/password_migration.rst

@@ -116,7 +116,7 @@ Upgrade the Password
 Upon successful login, the Security system checks whether a better algorithm
 is available to hash the user's password. If it is, it'll hash the correct
 password using the new hash. If you use a Guard authenticator, you first need to
-`provide the original password to the Security system <Provide the Password when using Guards>`_.
+`provide the original password to the Security system <Provide the Password when using Guard>`_.
 
 You can enable the upgrade behavior by implementing how this newly hashed
 password should be stored: