diff --git a/_Sidebar.md b/_Sidebar.md
index b4a6b07..559cc89 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -17,9 +17,11 @@
 
 [[Appendix B: 3D-printed parts]]
 
-[[Appendix C: Firmware programming]]
+[[Appendix C: QMK Firmware Programming]]
 
 [[Appendix D: Hardware]]
 
+[[Appendix E: Firmware Programming (Non QMK Devices)]]
+
 # Legal
 [[GNU Free Documentation License]]
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