From 9675f13c71acd0d5e99136bba94f8915489c6abd Mon Sep 17 00:00:00 2001
From: Who? Me?! <mark-i-m@users.noreply.github.com>
Date: Wed, 7 Oct 2020 23:01:20 -0500
Subject: [PATCH] Add comment referring to travis docs

Co-authored-by: Joshua Nelson <joshua@yottadb.com>
---
 src/doc/rustc-dev-guide/ci/linkcheck.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/doc/rustc-dev-guide/ci/linkcheck.sh b/src/doc/rustc-dev-guide/ci/linkcheck.sh
index 85573314c5fc..7149ab3a7f15 100755
--- a/src/doc/rustc-dev-guide/ci/linkcheck.sh
+++ b/src/doc/rustc-dev-guide/ci/linkcheck.sh
@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 
+# https://docs.travis-ci.com/user/environment-variables/#default-environment-variables
 if [ "$TRAVIS_EVENT_TYPE" = "cron" ] ; then # running in cron job
   FLAGS=""