1 files changed, 4 insertions, 1 deletions

diff --git a/doc/fluxbox-keys.5.in b/doc/fluxbox-keys.5.in
index 799a8d4..6d69b48 100644
--- a/doc/fluxbox-keys.5.in
+++ b/doc/fluxbox-keys.5.in
@@ -614,7 +614,10 @@ First value becomes the focused alpha, second becomes the unfocused alpha value\
 .PP
 \fBSetHead\fR \fInumber\fR
 .RS 4
-Moves the window to the given display head\&. Only available when fluxbox has been compiled with Xinerama support\&.
+Moves the window to the given display head\&. Only available when fluxbox has been compiled with Xinerama support\&. Heads are numbered starting at
+\fB1\fR, with the special value
+\fB0\fR
+meaning "Move to the head where the mouse pointer currently resides"\&.
 .RE
 .PP
 \fBSendToNextHead\fR [\fIoffset\fR] / \fBSendToPrevHead\fR [\fIoffset\fR]