diff --git a/services/core/java/com/android/server/wm/WindowManagerShellCommand.java b/services/core/java/com/android/server/wm/WindowManagerShellCommand.java
index a6db310f..22fdf55 100644
--- a/services/core/java/com/android/server/wm/WindowManagerShellCommand.java
+++ b/services/core/java/com/android/server/wm/WindowManagerShellCommand.java
@@ -1532,9 +1532,9 @@
         pw.println("        both it and R.dimen.config_fixedOrientationLetterboxAspectRatio will");
         pw.println("        be ignored and framework implementation will determine aspect ratio.");
         pw.println("      --cornerRadius radius");
-        pw.println("        Corners radius for activities in the letterbox mode. If radius < 0,");
-        pw.println("        both it and R.integer.config_letterboxActivityCornersRadius will be");
-        pw.println("        ignored and corners of the activity won't be rounded.");
+        pw.println("        Corners radius (in pixels) for activities in the letterbox mode.");
+        pw.println("        If radius < 0, both R.integer.config_letterboxActivityCornersRadius");
+        pw.println("        and it will be ignored and corners of the activity won't be rounded.");
         pw.println("      --backgroundType [reset|solid_color|app_color_background");
         pw.println("          |app_color_background_floating|wallpaper]");
         pw.println("        Type of background used in the letterbox mode.");