diff --git a/HOWTO b/HOWTO
new file mode 100644
index 000000000..9a063ec3f
--- /dev/null
+++ b/HOWTO
@@ -0,0 +1 @@
+https://wiki.c3d2.de/C3D2-Web
diff --git a/HOWTO-Calendar-update b/HOWTO-Calendar-update
deleted file mode 100644
index 29ab76ce1..000000000
--- a/HOWTO-Calendar-update
+++ /dev/null
@@ -1,18 +0,0 @@
-https://wiki.c3d2.de/C3D2-Web
-
-1)
-  :-$ git clone
-2)
-  :-$ geany content/events.xml
-3.1)
-  :-$ make
-3.2)
-  :-$ firefox www/calendar.html
-4)
-  :-$ git add content/events.xml
-5)
-  :-$ git commit -m "open data meetups > calender"
-6)
-  :-$ git push
-7)
-  :-$ firefox https://c3d2.de/calendar.html