diff --git a/_Sidebar.md b/_Sidebar.md
index 6235db2..48700b7 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -26,7 +26,7 @@
    * [Receivers](Receivers)
       * [ADS-B](Automatic-dependent-surveillance–broadcast-(ADS-B))
       * [AIS Boats](AIS-Boats)
-      * AFSK
+      * [AFSK](AFSK)
       * [APRS](APRS-RX)
       * [BTLE](Bluetooth-Low-Energy-Receiver)
       * [NRF](https://github.com/eried/portapack-mayhem/wiki/decoder-for-NRF24L01)