diff --git a/product/ERP5Type/Tool/MemcachedTool.py b/product/ERP5Type/Tool/MemcachedTool.py
index 4d36f7cec2bd552c405fe7b21d8484a9b1c6b3ae..0af08db012486514e1a3692e25080ca85ca75638 100644
--- a/product/ERP5Type/Tool/MemcachedTool.py
+++ b/product/ERP5Type/Tool/MemcachedTool.py
@@ -297,7 +297,7 @@ if memcache is not None:
         to memcached server.
 
         key_prefix
-          Mendatory argument allowing different tool users from sharing the same
+          Mandatory argument allowing different tool users from sharing the same
           dictionary key namespace.
 
         plugin_path