Update README.md

README.md

@@ -23,7 +23,7 @@ fetch -o - http://k.itty.cat/7 | sh
 After about 30 minutes (depending on your Internet connection) your system will automatically
 reboot into a graphical desktop.
 
-## Known Issues
+### Known Issues
 
 There is no error control.  If a package fails to download, the execution will just continue.  If this happens, re-run the script.  It's perfectly safe to run this script as much as you want without any negative side effects.