1 files changed, 4 insertions, 0 deletions
diff --git a/hex.adoc b/hex.adoc
index d422283..eb5f55d 100644
--- a/hex.adoc
+++ b/hex.adoc
@@ -38,6 +38,10 @@ _G_=1024M, and _GB_=1000M.  The default value is 1G.
 *-d*, *--debug*::
 	Run in debug mode.
 
+*-x*, *--x11*::
+	Use an X11 interface even when run from a terminal.
+	Note that the application may be built with this feature disabled.
+
 *-h*, *--help*::
 	Display a help message and exit.