diff --git a/src/tech/bluetooth/sidebar.md b/src/tech/bluetooth/sidebar.md
index 32ca4a9..e57e2b0 100644
--- a/src/tech/bluetooth/sidebar.md
+++ b/src/tech/bluetooth/sidebar.md
@@ -2,5 +2,6 @@
 - [Dalvik](/tech/dalvik/index.html)
 - [Bluetooth](/tech/bluetooth/index.html)
 - [NFC](/tech/nfc/index.html)
+- [Encryption](/tech/encryption/index.html)
 
 # Bluetooth Topics #