diff --git a/brightness.py b/brightness.py
index 34e6c7b..ac67c2a 100755
--- a/brightness.py
+++ b/brightness.py
@@ -17,8 +17,8 @@ def display():
     cmd = subprocess.getoutput(cmd)
 
     if int(cmd) < 2560:
-        return "DP-1"
-    return "DP-2"
+        return "DisplayPort-0"
+    return "DisplayPort-1"
 
 if len(sys.argv) <= 1:
     print("Usage: {} [+|-]".format(sys.argv[0]))