diff --git a/doc/keyboard-test.txt b/doc/keyboard-test.txt
index 2d2b2b6..d59499f 100644
--- a/doc/keyboard-test.txt
+++ b/doc/keyboard-test.txt
@@ -81,6 +81,7 @@
   - Insert, Delete, Home, End, PageUp, PageDown
   - Arrow keys
   - Menu
+  - Alt+PrntScrn sends Sys_Req [Win]
 
 - French layout (AZERTY and inverted shift behaviour for many keys)