diff -r 70eabc309de9 -r 1105c42722dc CONTRIBUTORS
--- a/CONTRIBUTORS	Sun Jan 10 15:39:02 2021 +0100
+++ b/CONTRIBUTORS	Sun Jan 10 15:48:15 2021 +0100
@@ -3,6 +3,10 @@
 listed as an author in one of the source files of this Isabelle distribution.
 
 
+Contributions to this Isabelle version
+--------------------------------------
+
+
 Contributions to Isabelle2021
 -----------------------------