diff --git a/_Sidebar.md b/_Sidebar.md
index c28e468..b6f6abf 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -62,6 +62,7 @@
       * [OOK](OOK)
       * [Soundboard](Soundboard)
       * [Playlist](Playlist)
+      * [Spectrum Painter](Spectrum-Painter)
    * [Capture](Capture)
       * [C16 Format](C16-format)
    * [Replay](Replay)