diff --git a/bin/twn b/bin/twn
index ff84af8..35e9f9c 100755
--- a/bin/twn
+++ b/bin/twn
@@ -37,6 +37,9 @@ case "$1" in
     api-gen  ) "$toolpath"/gen_api_header.sh
                ;;
 
+    wiki     ) xdg-open "file://$TWNROOT/docs/wiki/index.html"
+               ;;
+
     *        ) echo "Unknown command."
                ;;
 esac