Fix .sync.yml docker_sets syntax

alexjfisher · alexjfisher · commit c68ce44b4c76 · 2018-10-26T14:50:36.000+01:00
diff --git a/.sync.yml b/.sync.yml
@@ -3,7 +3,7 @@
 .travis.yml:
   secure: "TcZjuTP5ooDXZNRnG1M+wqmT/Lqcg8CwZfLljGlDSjDEN2siUhflHf9A81q5XL17oN4BkQtPmLvu7d/7xijUOiqDWXG9PC/Xr3QsTTmjtEo5l2Ne7jO+HrXO0Ron6LjEy47PeUWVQs7JcLRQL1SpxlNkt/Xe7oSoL10PmP2GYJc="
   docker_sets:
-    - centos7-64
+    - set: centos7-64
 appveyor.yml:
   delete: true
 spec/spec_helper.rb:
