From 38a93a25f394283d36d5d4e2f4bc5166a6dfbedd Mon Sep 17 00:00:00 2001
From: Sander Boom <sander@inflowmotion.nl>
Date: Wed, 21 Oct 2015 22:52:17 +0200
Subject: Fixed linting error 'variables should be a map of key-valued strings'

---
 doc/ci/docker/using_docker_images.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/ci/docker/using_docker_images.md b/doc/ci/docker/using_docker_images.md
index 191e3a8144d..ef8a7ec1e86 100644
--- a/doc/ci/docker/using_docker_images.md
+++ b/doc/ci/docker/using_docker_images.md
@@ -90,7 +90,7 @@ you need to set MYSQL_ALLOW_EMPTY_PASSWORD.
     - mysql
     
     variables:
-      MYSQL_ALLOW_EMPTY_PASSWORD: yes
+      MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
     ```
 
 For other possible configuration variables check the 
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