--- a/thys/README Sun Feb 10 21:53:57 2019 +0000
+++ b/thys/README Mon Feb 11 14:36:23 2019 +0000
@@ -4,7 +4,7 @@
Lexer.thy
Simplifying.thy
-The repository can be checked using Isabelle 2016.
+The repository can be checked using Isabelle 2017.
isabelle build -c -v -d . Lex