diff --git a/Software-Dev-Guides.md b/Software-Dev-Guides.md
index c5579c6..05b3c92 100644
--- a/Software-Dev-Guides.md
+++ b/Software-Dev-Guides.md
@@ -1,3 +1,5 @@
+Code-contribution-rules
+* [Code contribution rules](Code-contribution-rules)
 * [Create a Simple App](Create-a-simple-app)
 * [Widgets](Widgets)
 * [SD Card](SD-Card-(DEV))