diff --git a/README.md b/README.md
index bf802d9..77161b8 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Maestroerror\HeicToJpg::convert("image1.heic")->saveAs("image1.jpg");
 $jpg = Maestroerror\HeicToJpg::convert("image1.heic")->get();
 ```
          
-### For MacOS users
+#### For MacOS users
 It should detect the OS itself, but if you want to specify architecture, it is recommended to use `convertOnMac` instead. The second argument is architecture of your system, by default set as "amd64", but you can specify "arm64" (aarm64, M1)
 ```php
 // By default