diff --git a/swift/common/memcached.py b/swift/common/memcached.py
index f748579d79..8a2cfa19ca 100644
--- a/swift/common/memcached.py
+++ b/swift/common/memcached.py
@@ -433,7 +433,7 @@ class MemcacheRing(object):
         """
         Sets multiple key/value pairs in memcache.
 
-        :param mapping: dictonary of keys and values to be set in memcache
+        :param mapping: dictionary of keys and values to be set in memcache
         :param servery_key: key to use in determining which server in the ring
                             is used
         :param serialize: if True, value is serialized with JSON before sending