Update runtime files
diff --git a/runtime/doc/intro.txt b/runtime/doc/intro.txt
index 71919f7..6d86ba9 100644
--- a/runtime/doc/intro.txt
+++ b/runtime/doc/intro.txt
@@ -1,4 +1,4 @@
-*intro.txt* For Vim version 8.1. Last change: 2019 Jun 12
+*intro.txt* For Vim version 8.1. Last change: 2019 Jun 26
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -69,10 +69,17 @@
Downloading: https://www.vim.org/download.php
+Asking questions, finding answers: https://vi.stackexchange.com/
+"Vi and Vim Stack Exchange is a question and answer site for people using the
+vi and Vim families of text editors"
+
+
Usenet News group where Vim is discussed: *news* *usenet*
comp.editors
This group is also for other editors. If you write about Vim, don't forget to
mention that.
+You can access it here:
+https://groups.google.com/forum/#!topic/comp.editors
*mail-list* *maillist*
There are several mailing lists for Vim: