fix 3d box drag

diff --git a/doc/keys.xml b/doc/keys.xml
index 7500ab3edc135591af1c92f3b1296cf58462d558..977ff4ba7f295a30f51d3dc31e4b7ba85f325fa5 100644 (file)
--- a/doc/keys.xml
+++ b/doc/keys.xml
@@ -900,7 +900,8 @@ groups) with the same effect as Alt+click.)</note>
 *<section title="3D box tool" color="cff4e2">
 <group>
 <title>Draw</title>
-<mouse><key><left-drag/></key> <action>draw a 3D box (use shift to extrude in Z direction)</action></mouse>
+<mouse><key><left-drag/></key> <action>draw a 3D box (X/Y plane)</action></mouse>
+<mouse><key><shift/><left-drag/></key> <action>draw a 3D box (extrude in Z)</action></mouse>
 </group>
 
 <group>