1 files changed, 3 insertions, 4 deletions
diff --git a/addons/mail/static/src/js/models/threads/thread.js b/addons/mail/static/src/js/models/threads/thread.js
index c9dda28dd93..8c2beb8bbfa 100644
--- a/addons/mail/static/src/js/models/threads/thread.js
+++ b/addons/mail/static/src/js/models/threads/thread.js
@@ -15,7 +15,8 @@ var ServicesMixin = require('web.ServicesMixin');
  * In particular, channels and mailboxes are two different kinds of threads.
  */
 var Thread = AbstractThread.extend(ServicesMixin, {
-
+    // max number of fetched messages from the server
+    _FETCH_LIMIT: 30,
     /**
      * @override
      * @param {Object} params
@@ -33,8 +34,6 @@ var Thread = AbstractThread.extend(ServicesMixin, {
         // means that there is no message in this channel.
         this._previewed = false;
         this._type = params.data.type || params.data.channel_type;
-        // max number of fetched messages from the server
-        this._FETCH_LIMIT = 30;
     },
 
     //--------------------------------------------------------------------------
@@ -111,7 +110,7 @@ var Thread = AbstractThread.extend(ServicesMixin, {
      * By default, a thread has not listener.
      *
      * @abstract
-     * @returns {$.Promise<Object[]>}
+     * @returns {$.Promise<Array<Object[]>>}
      */
     getMentionPartnerSuggestions: function () {
         return $.when([]);