diff --git a/man/termite.config.5 b/man/termite.config.5
index 1697a2a..3de52ec 100644
--- a/man/termite.config.5
+++ b/man/termite.config.5
@@ -32,6 +32,8 @@ terminal's title.
 Whether to hide url hints not matching input in url hints mode.
 .IP \fIfont\fR
 The font description for the terminal's font.
+.IP \fIfullscreen\fR
+Enables entering fullscreen mode by pressing F11.
 .IP \fIgeometry\fR
 The default window geometry for new terminal windows.
 .IP \fIicon_name\fR