diff --git a/_Sidebar.md b/_Sidebar.md
index a8cafff..24bcb9c 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1,4 +1,7 @@
 # Wiki
+🛠️ = Applications that support custom css.
+
+⚠️ = Applications that require special setup.
 * [Home][home]
 * [Setup][techdocs]
 * [Create your own themes][ownthemes]