diff --git a/runtime/doc/os_mac.txt b/runtime/doc/os_mac.txt
index 226d3ba..72c0c16 100644
--- a/runtime/doc/os_mac.txt
+++ b/runtime/doc/os_mac.txt
@@ -1,4 +1,4 @@
-*os_mac.txt*    For Vim version 8.0.  Last change: 2018 Jan 21
+*os_mac.txt*    For Vim version 8.1.  Last change: 2018 Jan 21
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar et al.