wrong copy paste

Co-authored-by: Nicky Gerritsen <[email protected]>

doc/manual/shadow.rst

@@ -65,7 +65,7 @@ Another alternative is to use these DOMjudge only keys in the `contest.yaml`::
 or::
 
   shadow:
-    type: contest-api
+    type: contest-archive
     source: /path/on/domjudge/filestem/to/clics/compliant/archive
 
 Running the event feed import command