diff --git a/README.md b/README.md
index 9cf58a0..96463ec 100644
--- a/README.md
+++ b/README.md
@@ -326,6 +326,15 @@ apt install dkms
 apt install proxmox-headers-$(uname -r)
 git clone https://github.com/stanford-scs/hid-g20s.git
 cd hid-g20s
+# edit and replace function with this
+# static const __u8 *g20s_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+#                                      unsigned int *rsize)
+#{
+#    /* Always fix G20S descriptors based on VID/PID, ignore exact size */
+#    hid_info(hdev, "fixing G20S report descriptor (size=%u)\n", *rsize);
+#    *rsize = sizeof(g20s_rdesc_fixed);
+#    return g20s_rdesc_fixed;
+#}
 ./install.sh
 ```