diff --git a/notebook/static/tree/js/notebooklist.js b/notebook/static/tree/js/notebooklist.js
index 48bac1fee..268059199 100644
--- a/notebook/static/tree/js/notebooklist.js
+++ b/notebook/static/tree/js/notebooklist.js
@@ -53,7 +53,7 @@ define([
         };
         this._max_upload_size_mb = 25;
         this.EDIT_MIMETYPES = [
-          'application/javascipt',
+          'application/javascript',
           'application/x-sh',
           'application/vnd.groove-tool-template'
         ];