DOCS-5322 fix copy + paste error

Author: kay-kim

source/reference/parameters.txt

@@ -451,7 +451,7 @@ Parameters
 
    :parameter:`connPoolMaxShardedConnectionsPerHost` only applies for
    :program:`mongos` instances. You can only set
-   :parameter:`connPoolMaxShardedConnectionsPerHost` during start up
+   :parameter:`connPoolMaxShardedConnectionsPerHost` during startup
    in the config file or on the command line, as follows to increase
    the size of the connection pool:
 
@@ -481,9 +481,9 @@ Parameters
    connections and you're using authentication in the
    context of a sharded cluster.
 
-   :parameter:`connPoolMaxShardedConnectionsPerHost` applies to
+   :parameter:`connPoolMaxConnectionsPerHost` applies to
    :program:`mongod` instances only. You can only set
-   :parameter:`connPoolMaxShardedConnectionsPerHost` during start up
+   :parameter:`connPoolMaxConnectionsPerHost` during startup
    in the config file or on the command line, as follows to increase
    the size of the connection pool: