diff --git a/doc/asciidoc/fluxbox.txt b/doc/asciidoc/fluxbox.txt
index 0dfba920..519adc21 100644
--- a/doc/asciidoc/fluxbox.txt
+++ b/doc/asciidoc/fluxbox.txt
@@ -1036,6 +1036,10 @@ session.tabPadding: 0
 session.tabsAttachArea: Window
 session.titlebar.left: Stick
 session.titlebar.right: Minimize Maximize Close
+      The icons to place in the titlebar of decorated windows.  The
+      available options are Close, Maximize, MenuIcon, Minimize,
+      Shade, and Stick.
+
 session.updateDelayTime: 0
 session.useMod1: <boolean>
 ....................................................................................