Update runtime files.
diff --git a/runtime/doc/fold.txt b/runtime/doc/fold.txt
index fb62d28..2a91077 100644
--- a/runtime/doc/fold.txt
+++ b/runtime/doc/fold.txt
@@ -1,4 +1,4 @@
-*fold.txt* For Vim version 8.1. Last change: 2019 May 05
+*fold.txt* For Vim version 8.1. Last change: 2019 Jun 02
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -441,7 +441,7 @@
EXECUTING COMMANDS ON FOLDS ~
-:[range]foldd[oopen] {cmd} *:foldd* *:folddoopen*
+:[range]foldd[oopen] {cmd} *:foldd* *:folddo* *:folddoopen*
Execute {cmd} on all lines that are not in a closed fold.
When [range] is given, only these lines are used.
Each time {cmd} is executed the cursor is positioned on the