Merge pull request #1557 from vladgolubev/patch-1

docs(MongoClient): keepAlive is number not boolean

Author: daprahamian

lib/mongo_client.js

@@ -102,7 +102,7 @@ function MongoClient() {
    * @param {boolean} [options.autoReconnect=true] Enable autoReconnect for single server instances
    * @param {boolean} [options.noDelay=true] TCP Connection no delay
    * @param {number} [options.family=4] Version of IP stack. Defaults to 4.
-   * @param {boolean} [options.keepAlive=30000] The number of milliseconds to wait before initiating keepAlive on the TCP socket.
+   * @param {number} [options.keepAlive=30000] The number of milliseconds to wait before initiating keepAlive on the TCP socket.
    * @param {number} [options.connectTimeoutMS=30000] TCP Connection timeout setting
    * @param {number} [options.socketTimeoutMS=360000] TCP Socket timeout setting
    * @param {number} [options.reconnectTries=30] Server attempt to reconnect #times