Update runtime files
diff --git a/runtime/doc/mlang.txt b/runtime/doc/mlang.txt
index b453a39..2871e5e 100644
--- a/runtime/doc/mlang.txt
+++ b/runtime/doc/mlang.txt
@@ -1,4 +1,4 @@
-*mlang.txt*     For Vim version 8.2.  Last change: 2019 May 05
+*mlang.txt*     For Vim version 8.2.  Last change: 2020 Jun 16
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar