diff --git a/hw/xwayland/man/Xwayland.man b/hw/xwayland/man/Xwayland.man
index 9ecb65001..26b554be8 100644
--- a/hw/xwayland/man/Xwayland.man
+++ b/hw/xwayland/man/Xwayland.man
@@ -80,6 +80,15 @@ Sets the geometry of the \fIXwayland\fP window to \fIWxH\fP when running rootful
 
 This option is not compatible with rootless mode (\fI-rootless\fP).
 .TP 8
+.B \-glamor " [\fIgl|es|off\fP]"
+Use given rendering API for Glamor acceleration. Possible options are \fIgl\fP and \fIes\fP.
+If \fIXwayland\fP was compiled with Glamor support, this option will instruct \fIXwayland\fP
+to use only requested API for Glamor. If this set to \fIoff\fP, effect is equal to \fI-shm\fP option.
+Without this option and without \fI-shm\fP option, \fIXwayland\fP tries the OpenGL rendering API first,
+and fallback to GL ES if GL version is less than 2.1.
+
+This option is not compatible with \fI-shm\fP option.
+.TP 8
 .B \-host-grab
 Disable host keyboard shorcuts and confine the pointer when running rootful.
 
@@ -123,6 +132,8 @@ to be an X window manager as well.
 .BI \-shm
 Force the shared memory backend instead of glamor (if available) for passing
 buffers to the Wayland server.
+
+This option is not compatible with \fI-glamor\fP option.
 .TP 8
 .BR \-verbose " [\fIn\fP]"
 Sets the verbosity level for information printed on stderr.  If the