Fix Typos in echo

util/qmk_install.sh

@@ -17,5 +17,6 @@ case $(uname -a) in
 		exec "${util_dir}/msys2_install.sh"
 	;;
   *)
-    echo "Environment not support. Pleas see https://docs.qmk.fm for details on how to configure the QMK Firmware build tools"
+    echo "Environment not supported. Please see https://docs.qmk.fm for details on how to configure the QMK Firmware build tools manually."
+  ;;
 esac