Add default to waitQueueTimeoutMS (#956)

(cherry picked from commit 92da2d6)

Author: jordan-smith721

source/fundamentals/connection/connection-options.txt

@@ -312,6 +312,8 @@ parameters of the connection URI to specify the behavior of the client.
      - ``0``
      - Specifies the amount of time, in milliseconds, spent attempting to check out a connection
        from a server's connection pool before timing out.
+       
+       ``0`` signifies no timeout.
 
    * - **wTimeoutMS**
      - non-negative integer