diff --git a/res/css/views/dialogs/_WidgetCapabilitiesPromptDialog.scss b/res/css/views/dialogs/_WidgetCapabilitiesPromptDialog.scss
index 13a1e7a890..176919b84c 100644
--- a/res/css/views/dialogs/_WidgetCapabilitiesPromptDialog.scss
+++ b/res/css/views/dialogs/_WidgetCapabilitiesPromptDialog.scss
@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 
-.mx_WidgetCapabilitiesPromptDialog  {
+.mx_WidgetCapabilitiesPromptDialog {
     .text-muted {
         font-size: $font-12px;
     }