Basta

app/controllers/admin/application_settings_controller.rb

@@ -27,7 +27,7 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
 
     redirect_to(
       admin_application_settings_path,
-      notice: 'All repository check states were cleared'
+      notice: 'All repository check states were cleared.'
     )
   end
 

app/controllers/admin/projects_controller.rb

@@ -36,7 +36,7 @@ class Admin::ProjectsController < Admin::ApplicationController
 
     redirect_to(
       admin_namespace_project_path(@project.namespace, @project),
-      notice: 'Repository check was triggered'
+      notice: 'Repository check was triggered.'
     )
   end