docs: correct typos

Fixes two minor spelling mistakes in the documentation.

Signed-off-by: Terin Stock <terin@cloudflare.com>

Author: philhawthorne

lib/resources/ZoneSettings.js

@@ -64,15 +64,15 @@ module.exports = auto(
      * @returns {Promise<Object>} The zone settings response object.
      */
     /**
-     * edit modifies a single zoen setting
+     * edit modifies a single zone setting
      *
      * @function edit
      * @memberof ZoneSettings
      * @instance
      * @async
      * @param {string} id - The zone ID
      * @param {string} setting = The setting name
-     * @param {sting|Object} value - The new zone setting
+     * @param {string|Object} value - The new zone setting
      * @returns {Promise<Object>} The zone settings response object.
      */
   })