corrected repository name

Author: Toby Hodges

_config.yml

@@ -22,7 +22,7 @@ kind: "lesson"
 
 # Magic to make URLs resolve both locally and on GitHub.
 # See https://help.github.com/articles/repository-metadata-on-github-pages/.
-repository: common-workflow-language/common-workflow-language
+repository: common-workflow-language/user-guide
 
 # Sites.
 amy_site: "https://amy.software-carpentry.org/workshops"