diff --git a/Installation.md b/Installation.md
index 97c6f89..a8fca4d 100644
--- a/Installation.md
+++ b/Installation.md
@@ -71,7 +71,7 @@ sudo pip install thefuck
 sudo xbps-install thefuck
 ```
 
-#nixOS
+# nixOS
 - my config is made with intended file
        *configuration.nix*
 - this config is without flakes