diff --git a/usb_gadget/README.md b/usb_gadget/README.md
index 79f84f5..864ede1 100644
--- a/usb_gadget/README.md
+++ b/usb_gadget/README.md
@@ -13,7 +13,7 @@ get into usb_gadget folder
 ```bash
 cd zero-hid/usb_gadget
 ```
-give the installer permission and execute `installer.bash`
+Execute `installer.bash`
 ```bash
-chmod +x installer.bash && sudo ./installer.bash
+sudo ./installer.bash
 ```
diff --git a/usb_gadget/init_usb_gadget b/usb_gadget/init_usb_gadget
old mode 100644
new mode 100755
diff --git a/usb_gadget/installer.bash b/usb_gadget/installer.bash
old mode 100644
new mode 100755
diff --git a/usb_gadget/remove_usb_gadget b/usb_gadget/remove_usb_gadget
old mode 100644
new mode 100755