docs(AutoEncryption): adds documentation for extraOptions

Author: daprahamian

lib/mongo_client.js

@@ -70,7 +70,11 @@ const CloseOperation = require('./operations/close');
  * @property {string} [kmsProviders.local.key] The master key used to encrypt/decrypt data keys
  * @property {object} [schemaMap] A map of namespaces to a local JSON schema for encryption
  * @property {boolean} [bypassAutoEncryption] Allows the user to bypass auto encryption, maintaining implicit decryption
- * @param {string} [extraOptions.mongocryptURI] A local process the driver communicates with to determine how to encrypt values in a command. Defaults to "mongodb://%2Fvar%2Fmongocryptd.sock" if domain sockets are available or "mongodb://localhost:27020" otherwise.
+ * @property {object} [extraOptions] Extra options related to the mongocryptd process
+ * @property {string} [extraOptions.mongocryptURI] A local process the driver communicates with to determine how to encrypt values in a command. Defaults to "mongodb://%2Fvar%2Fmongocryptd.sock" if domain sockets are available or "mongodb://localhost:27020" otherwise
+ * @property {boolean} [extraOptions.mongocryptdBypassSpawn=false] If true, autoEncryption will not attempt to spawn a mongocryptd before connecting
+ * @property {string} [extraOptions.mongocryptdSpawnPath] The path to the mongocryptd executable on the system
+ * @property {string[]} [extraOptions.mongocryptdSpawnArgs] Command line arguments to use when auto-spawning a mongocryptd
  */
 
 /**