diff --git a/Compile-lineage-os-19.1-kernel-for-rpi4(cm4).md b/Compile-lineage-os-19.1-kernel-for-rpi4(cm4).md
index 9b65a48..90f1983 100644
--- a/Compile-lineage-os-19.1-kernel-for-rpi4(cm4).md
+++ b/Compile-lineage-os-19.1-kernel-for-rpi4(cm4).md
@@ -40,7 +40,7 @@ chmod +x m.sh
 ```
 
 # Replace files
-copy bcm2711-rpi-400.dtb  bcm2711-rpi-4-b.dtb  bcm2711-rpi-cm4.dtb  bcm2711-rpi-cm4s.dtb
+copy bcm2711-rpi-400.dtb,bcm2711-rpi-4-b.dtb,bcm2711-rpi-cm4.dtb,bcm2711-rpi-cm4s.dtb
 from `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/boot/dts/broadcom/` to lineage os image boot partition
 
 copy `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/boot/Image` to to lineage os image boot partition