diff --git a/doc/api.md b/doc/api.md
index 773155f..c4785ff 100644
--- a/doc/api.md
+++ b/doc/api.md
@@ -440,6 +440,7 @@ that is being deprecated.
 | url | <code>String</code> | URL where Telegram will make HTTP Post. Leave empty to delete webHook. |
 | [options] | <code>Object</code> | Additional Telegram query options |
 | [options.certificate] | <code>String</code> \| <code>stream.Stream</code> | PEM certificate key (public). |
+| [options.secret_token] | <code>String</code> | A secret token to be sent in a header `X-Telegram-Bot-Api-Secret-Token` in every webhook request. |
 | [fileOptions] | <code>Object</code> | Optional file related meta-data |
 
 <a name="TelegramBot+deleteWebHook"></a>
diff --git a/src/telegram.js b/src/telegram.js
index c826f79..b659607 100644
--- a/src/telegram.js
+++ b/src/telegram.js
@@ -803,6 +803,7 @@ class TelegramBot extends EventEmitter {
    * delete webHook.
    * @param  {Object} [options] Additional Telegram query options
    * @param  {String|stream.Stream} [options.certificate] PEM certificate key (public).
+   * @param  {String} [options.secret_token] Optional secret token to be sent in a header `X-Telegram-Bot-Api-Secret-Token` in every webhook request.
    * @param  {Object} [fileOptions] Optional file related meta-data
    * @return {Promise}
    * @see https://core.telegram.org/bots/api#setwebhook