There is a missing comma after the separator
@@ -516,7 +516,7 @@ Specifies the {@link module:core/editor/editorconfig~EditorConfig configuration}
return {
editor: ClassicEditor,
editorConfig: {
- toolbar: [ 'bold', 'italic', '|' 'link' ]
+ toolbar: [ 'bold', 'italic', '|', 'link' ]
}
};