diff --git a/hypr/backlight.rules b/hypr/backlight.rules
new file mode 100644
index 0000000..5440ae6
--- /dev/null
+++ b/hypr/backlight.rules
@@ -0,0 +1 @@
+ACTION=="add", SUBSYSTEM=="backlight", RUN+="/bin/chgrp video $sys$devpath/brightness", RUN+="/bin/chmod g+w $sys$devpath/brightness"
diff --git a/readme.md b/readme.md
index 4f5df32..d62e6e8 100644
--- a/readme.md
+++ b/readme.md
@@ -1 +1,4 @@
 ![output](https://github.com/CoolnsX/hyprdots/assets/76195824/1d53c966-bdc4-4958-a4a0-e3495cbe989c)
+
+## Note for backlight
+- Copy the file from .config/hypr/backlight.rules to /etc/udev/rules.d/ directory