diff --git a/Themes.md b/Themes.md
index d471744..ad2623b 100644
--- a/Themes.md
+++ b/Themes.md
@@ -48,9 +48,11 @@ body.theme-my-theme {
     --active-item-background-color: #4877B1;
     --menu-text-color: #AFB8C6;
     --menu-background-color: #383C4A;
+    --tooltip-background-color: #383C4A;
+    --link-color: lightskyblue;
 }
 
-body.theme-my-theme #note-detail-text {
+body.theme-my-theme .note-detail-text {
     font-size: 120%;
 }
 ```
@@ -83,6 +85,10 @@ Once you made your changes, you can reload the Trilium frontend by pressing CTRL
 
 If you want to give some specific notes special styling in the tree, you can give them `cssClass` [[label|attributes]] which is then put into the node representing given note in the tree.
 
+There's also an `iconClass` using which you can define custom icons for notes in the tree - you can either use supplied ones from [boxicons](https://boxicons.com/) (e.g. `bx bx-home`) or you can define your own CSS classes.
+
+`iconClass` and `cssClass` are especially powerful when used with [[template]].
+
 You can also create specific styling for given note types (and mime types). For example, file note containing PNG image will have these classes in the tree: `type-image mime-image-png`.
 
 ## User provided themes