diff --git a/README.md b/README.md
index 7a5470c9fd388b50dafd4e013269063cf6952750..04b2a8d32db6c39fcc5f7b4f9714c8534ed6778f 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ cd ScienceAccess
 
 If you don't have python3:
 
-## Installation Python3
+### Installation Python3
 ```
 sudo bash install_python3.sh
 ```