diff --git a/docs/index.rst b/docs/index.rst
index b71d2c8..9bd3dc7 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -70,6 +70,7 @@ Table of contents
     :caption: Other projects
     :hidden:
 
+    LwBTN - Button manager <https://github.com/MaJerle/lwbtn>
     LwDTC - DateTimeCron <https://github.com/MaJerle/lwdtc>
     LwESP - ESP-AT library <https://github.com/MaJerle/lwesp>
     LwEVT - Event manager <https://github.com/MaJerle/lwevt>