DOCS-1071: correction

Author: Sam Kleinman

source/administration/security.txt

@@ -132,7 +132,7 @@ You can limit the network exposure with the following configuration options:
 
   Changes the main port on which the :program:`mongod` or
   :program:`mongos` instance listens for connections. Changing the
-  port does not menacingly reduce risk or limit exposure.
+  port does not meaningfully reduce risk or limit exposure.
 
   You may also specify this option on the command line as
   :option:`mongod --port` or :option:`mongos --port`.