Merge branch 'docs-edits' into 'master'

Update index.md with minor grammatical edit

See merge request gitlab-org/gitlab-ce!16919

doc/user/project/repository/index.md

@@ -18,7 +18,7 @@ documentation.
 
 > **Important:**
 For security reasons, when using the command line, we strongly recommend
-you to [connect with GitLab via SSH](../../../ssh/README.md).
+that you [connect with GitLab via SSH](../../../ssh/README.md).
 
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