diff --git a/doc/freecraft.html b/doc/freecraft.html
index cc8950280..bf1b849ca 100644
--- a/doc/freecraft.html
+++ b/doc/freecraft.html
@@ -294,6 +294,8 @@ freecraft [OPTIONS] [map.pud|map.pud.gz]
     Find an idle worker.
 <LI><KBD>ALT+V, CTRL+V</KBD><BR>
     Cycle through the pre-defined viewpoints configurations.
+<LI><KBD>Print Screen</KBD><BR>
+    Save a screenshot.
 </UL>
 
 <H3>Mouse commands</H3>