Updated Configuring touch screens as subscreen (markdown)

Configuring-touch-screens-as-subscreen.md

@@ -79,6 +79,12 @@ Assuming you have a 120Hz monitor as the primary monitor and 60Hz monitor as the
 
 For SDVX, if your sub monitor display does not seem to be refreshing (instead refreshing every couple seconds), use `SDVX Subscreen Force Redraw (-sdvxsubredraw)`.
 
+### Touches not lining up
+
+For GITADORA and popn, you can perform touch calibration in the test menu, which will be able to compensate for monitor rotation and aspect ratio mismatches.
+
+For IIDX / SDVX which lack calibration, you may need to tweak your GPU settings to stretch images (e.g., scaling options in NVIDIA Control Panel). You may also need to experiment with [CRU](https://www.monitortests.com/forum/Thread-Custom-Resolution-Utility-CRU) - again, YMMV if it will help.
+
 ### Overlay
 
 When using the touch screen, make sure the overlay is off (hidden). You don't need to disable the overlay feature entirely, just make sure it's not on the screen. This includes the FPS counter. The overlay can mess with touch coordinates on some configurations.
@@ -99,8 +105,6 @@ Displays using HDMI or DisplayPort are usually safe and preferred. DisplayPort p
 
 Most displays that support the standard HID API for touch input - recognized by Windows and available to applications via Windows touch API - should work.
 
-You may need to tweak your GPU settings to stretch images (e.g., scaling options in NVIDIA Control Panel). You may also need to experiment with [CRU](https://www.monitortests.com/forum/Thread-Custom-Resolution-Utility-CRU) - again, YMMV if it will help.
-
 ### Workaround for submonitors that can't do correct resolution or refresh rate (white screen issue)
 
 As mentioned above, the game will end up with a white screen if the subscreen does not properly support the required resolution + refresh rate.