diff --git a/docs/ref/contrib/auth.txt b/docs/ref/contrib/auth.txt
index e1d89219bc..545263445a 100644
--- a/docs/ref/contrib/auth.txt
+++ b/docs/ref/contrib/auth.txt
@@ -142,7 +142,7 @@ Methods
         .. versionchanged:: 1.6
 
             In Django 1.4 and 1.5, a blank string was unintentionally stored
-            as an unsable password.
+            as an unusable password.
 
     .. method:: check_password(raw_password)