diff --git a/README.md b/README.md
index f76ed5b..0c5612e 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ adb shell
 ```
 Then run
 ```
-cd /tmp && wget -O rcPCIe_SDXPINN_toolkit.sh https://raw.githubusercontent.com/iamromulan/quectel-rgmii-toolkit/SDXPINN/rcPCIe_SDXPINN_toolkit.sh && chmod +x rcPCIe_SDXPINN_toolkit.sh && ./rcPCIe_SDXPINN_toolkit.sh && cd /
+cd /tmp && wget -O rcPCIe_SDXPINN_toolkit.sh https://raw.githubusercontent.com/iamromulan/quectel-rgmii-toolkit/development-SDXPINN/rcPCIe_SDXPINN_toolkit.sh && chmod +x rcPCIe_SDXPINN_toolkit.sh && ./rcPCIe_SDXPINN_toolkit.sh && cd /
 ```