Update security/custom_authenticator.rst

Spomky · xabbuh · web-flow · commit b58b83b3bcfa · 2025-02-07T22:25:07.000+01:00
Co-authored-by: Christian Flothmann &lt;christian.flothmann@gmail.com&gt;
diff --git a/security/custom_authenticator.rst b/security/custom_authenticator.rst
@@ -220,7 +220,7 @@ User Identifier
 ~~~~~~~~~~~~~~~
 
 The user identifier is a unique string that identifies the user. It is used
- to load the user using :ref:`the user provider <security-user-providers>`.
+to load the user using :ref:`the user provider <security-user-providers>`.
 This identifier is often something like the user's email address or username,
 but it could be any unique value associated with the user.
 
