diff --git a/doc/langref.html.in b/doc/langref.html.in
index b1cf5ffc71dde9d42cb07c519598e8c9ee404888..8d4238473f3b06cadb6a1166d1df08d2b48154f8 100644
--- a/doc/langref.html.in
+++ b/doc/langref.html.in
@@ -10170,7 +10170,7 @@ Operating Systems:
   kfreebsd
   linux (native)
   lv2
-  macosx
+  macos
   netbsd
   openbsd
   solaris