fix wording in mongodb-connection.adoc
@@ -40,7 +40,7 @@ The MongoDB connection, specified on a project level, can be reused across multi
|Option|Default|Description
|MongoDB Connection name||The name to use for this connection
|Hostname|localhost|cluster hostname
-|Port|27017|the port for the Cassandra cluster
+|Port|27017|the port for the MongoDB Database
|Database name||
|Authentication database||
|Username||
