docs(topologies): clarify sslValidate documentation

The documentation for the sslValidate parameter incorrectly
typed it as an object, when it should have been boolean.

Fixes NODE-1417

lib/topologies/mongos.js

@@ -70,7 +70,7 @@ var legalOptionNames = [
  * @param {number} [options.acceptableLatencyMS=15] Cutoff latency point in MS for MongoS proxy selection
  * @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
  * @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
- * @param {object} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {boolean} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
  * @param {array} [options.sslCA=null] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
  * @param {array} [options.sslCRL=null] Array of revocation certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
  * @param {string} [options.ciphers=null] Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.

lib/topologies/replset.js

@@ -80,7 +80,7 @@ var legalOptionNames = [
  * @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
  * @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
  * @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
- * @param {object} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {boolean} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
  * @param {array} [options.sslCA=null] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
  * @param {array} [options.sslCRL=null] Array of revocation certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
  * @param {(Buffer|string)} [options.sslCert=null] String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher.

lib/topologies/server.js

@@ -70,7 +70,7 @@ var legalOptionNames = [
  * @param {object} [options=null] Optional settings.
  * @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
  * @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
- * @param {object} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {boolean} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
  * @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
  * @param {array} [options.sslCA=null] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
  * @param {array} [options.sslCRL=null] Array of revocation certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)