diff --git a/src/feature.h b/src/feature.h
index f335104..7ef654b 100644
--- a/src/feature.h
+++ b/src/feature.h
@@ -1038,8 +1038,10 @@
  * +mouse_gpm		Unix only: Include code for Linux console mouse
  *			handling.
  * +mouse_pterm		PTerm mouse support for QNX
+ * +mouse_sgr		Unix only: Include code for for SGR-styled mouse.
  * +mouse_sysmouse	Unix only: Include code for FreeBSD and DragonFly
  *			console mouse handling.
+ * +mouse_urxvt		Unix only: Include code for for urxvt mosue handling.
  * +mouse		Any mouse support (any of the above enabled).
  */
 /* OS/2 and Amiga console have no mouse support */