Fix requirement of KorAP.vc in docGroupRef

Change-Id: I9b273e460f40d09e2aad33b69a922f15328fc7ac
diff --git a/Changes b/Changes
index 77f9e4c..411a21b 100755
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.40 2020-11-28
+0.40 2020-12-02
         - Modernize ES and fix in-loops.
         - add roll() method to state object.
         - Fix wrong hint-mirror behaviour in Firefox.
@@ -12,6 +12,8 @@
           in hint menu.
         - Remove email support from login (as is not
           or no longer supported by LDAP) (#99).
+        - Fix requirement of KorAP.vc in docgroupref
+          (which broke the vc demo).
 
 0.39 2020-10-07
         - Add information on secret file to Readme.