diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index 394c9e4..cfc2919 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -191,10 +191,11 @@
         info->addMotionRange(mOrientedRanges.pressure);
 
         if (mDeviceMode == DeviceMode::UNSCALED && mSource == AINPUT_SOURCE_TOUCHPAD) {
-            // Populate RELATIVE_X and RELATIVE_Y motion range for touchpad capture mode
-            // RELATIVE_X and RELATIVE_Y motion range is the largest possible hardware relative
-            // motion, e.g. the hardware size finger moved completely across the touchpad in one
-            // sample cycle.
+            // Populate RELATIVE_X and RELATIVE_Y motion ranges for touchpad capture mode.
+            //
+            // RELATIVE_X and RELATIVE_Y motion ranges should be the largest possible relative
+            // motion, i.e. the hardware dimensions, as the finger could move completely across the
+            // touchpad in one sample cycle.
             const InputDeviceInfo::MotionRange& x = mOrientedRanges.x;
             const InputDeviceInfo::MotionRange& y = mOrientedRanges.y;
             info->addMotionRange(AMOTION_EVENT_AXIS_RELATIVE_X, mSource, -x.max, x.max, x.flat,