diff --git a/docs/topics/auth.txt b/docs/topics/auth.txt
index 307691bd4a..a4e0f677b5 100644
--- a/docs/topics/auth.txt
+++ b/docs/topics/auth.txt
@@ -460,7 +460,7 @@ algorithm.
 Increasing the work factor
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The PDKDF2 and bcrypt algorithms use a number of iterations or rounds of
+The PBKDF2 and bcrypt algorithms use a number of iterations or rounds of
 hashing. This deliberately slows down attackers, making attacks against hashed
 passwords harder. However, as computing power increases, the number of
 iterations needs to be increased. We've chosen a reasonable default (and will
@@ -468,7 +468,7 @@ increase it with each release of Django), but you may wish to tune it up or
 down, depending on your security needs and available processing power. To do so,
 you'll subclass the appropriate algorithm and override the ``iterations``
 parameters. For example, to increase the number of iterations used by the
-default PDKDF2 algorithm:
+default PBKDF2 algorithm:
 
 1. Create a subclass of ``django.contrib.auth.hashers.PBKDF2PasswordHasher``::