diff --git a/Lib/ocaml/ocamlkw.swg b/Lib/ocaml/ocamlkw.swg
index 950bee682..5e66085e0 100644
--- a/Lib/ocaml/ocamlkw.swg
+++ b/Lib/ocaml/ocamlkw.swg
@@ -6,7 +6,7 @@
 
 /*
   from
-  http://caml.inria.fr/ocaml/htmlman/manual044.html
+  https://caml.inria.fr/pub/docs/manual-ocaml/lex.html
 */