Merge pull request #3355 from mondwan/patch-1

Fix typo in the settings.rst

Author: benoitc

gunicorn/config.py

@@ -1177,7 +1177,7 @@ class Group(Setting):
         Switch worker process to run as this group.
 
         A valid group id (as an integer) or the name of a user that can be
-        retrieved with a call to ``pwd.getgrnam(value)`` or ``None`` to not
+        retrieved with a call to ``grp.getgrnam(value)`` or ``None`` to not
         change the worker processes group.
         """