diff -r 824815ec52aa -r 66d775f7a6e8 CONTRIBUTORS
--- a/CONTRIBUTORS	Wed Jan 06 12:59:52 2021 +0100
+++ b/CONTRIBUTORS	Wed Jan 06 13:00:31 2021 +0100
@@ -7,7 +7,7 @@
 -----------------------------
 
 * December 2020: Stepan Holub
-  Contributed lemmas for List
+  Contributed lemmas for theory HOL.List.
 
 * December 2020: Martin Desharnais
   Zipperposition 2.0 as external prover for Sledgehammer.