Merge branch 'msj-doc-source-files-typo' into 'master'

Fix typo in Source files and rendered web locations

See merge request gitlab-org/gitlab!19955

doc/development/documentation/index.md

@@ -16,7 +16,7 @@ In addition to this page, the following resources can help you craft and contrib
 
 ## Source files and rendered web locations
 
-Documentation for GitLab, GitLab Runner, Omnibus GitLab and Charts are published to <https://docs.gitlab.com>. Documentation for GitLab is also published within the application at `/help` on the domain of the GitLab instance.
+Documentation for GitLab, GitLab Runner, Omnibus GitLab and Charts is published to <https://docs.gitlab.com>. Documentation for GitLab is also published within the application at `/help` on the domain of the GitLab instance.
 At `/help`, only help for your current edition and version is included. Help for other versions is available at <https://docs.gitlab.com/archives/>.
 
 The source of the documentation exists within the codebase of each GitLab application in the following repository locations: