diff --git a/README.md b/README.md
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+++ b/README.md
@@ -0,0 +1,11 @@
+# Klankschool wiki
+
+This is my attempt at documenting everything we know about
+klankschool,
+catu,
+and -- in particular -- the klankschool server configuration.
+
+You can browse and edit this wiki directly from inside the gitea
+web interface. Click into the `wiki` folder for a list of pages.
+You can follow links across pages just fine.
+
diff --git a/wiki/incus.md b/wiki/incus.md
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--- a/wiki/incus.md
+++ b/wiki/incus.md
@@ -1,4 +1,5 @@
 # Incus
 
 Incus is a container and vm engine.
-We run 
+We run some calendar app inside an Incus container I think?
+Not sure, Riviera and Rosa know more.