diff --git a/docs/topics/auth/customizing.txt b/docs/topics/auth/customizing.txt
index 68ca0e7f55..9120c6a1f0 100644
--- a/docs/topics/auth/customizing.txt
+++ b/docs/topics/auth/customizing.txt
@@ -721,10 +721,10 @@ utility methods:
 
 .. class:: models.BaseUserManager
 
-    .. method:: models.BaseUserManager.normalize_email(email)
+    .. classmethod:: models.BaseUserManager.normalize_email(email)
 
-        A ``classmethod`` that normalizes email addresses by lowercasing
-        the domain portion of the email address.
+        Normalizes email addresses by lowercasing the domain portion of the
+        email address.
 
     .. method:: models.BaseUserManager.get_by_natural_key(username)