diff --git a/README.md b/README.md
index c00c152..4d2c01e 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@
 	- [CoAP](#CoAP)
 	
  - Mobile app
- 	- [Mobile security (Android & iOS)](#Mobile-security-(Android-&-iOS))
+ 	- [Mobile security (Android & iOS)](#mobile-security-android--ios)
 	
  - Wireless Protocols
  	- [RADIO HACKING STARTING GUIDE](#RADIO-HACKER-QUICK-START-GUIDE)