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diff --git a/README b/README
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@@ -75,6 +75,7 @@ language.txt (Regular Ed.) or aenglish.txt (Alien Demo).
 Linux Port-specific commands:
 - ALT-ENTER for fullscreen
 - CTRL-G for mouse grab
+- PRTSCN for screenshot
 
 
 The source code that was released only works with Aliens vs Predator Gold.