Fixed typo in docs/topics/auth/passwords.txt.
Wrapped hashing is only possible if the inner wrapped function is the
same as the previous hasher.
@@ -336,7 +336,7 @@ to happen when a user logs in (which may never happen if a user doesn't return
to your site). In this case, you can use a "wrapped" password hasher.
For this example, we'll migrate a collection of MD5 hashes to use
-PBKDF2(SHA1(password)) and add the corresponding password hasher for checking
+PBKDF2(MD5(password)) and add the corresponding password hasher for checking
if a user entered the correct password on login. We assume we're using the
built-in ``User`` model and that our project has an ``accounts`` app. You can
modify the pattern to work with any algorithm or with a custom user model.
