chore: improve security info

Author: nijel

SECURITY.md

@@ -16,7 +16,7 @@ If you think you have identified a security issue with a Weblate project, **do
 not open a public issue**.
 
 To responsibly report a security issue, please navigate to the Security tab for
-the repo and click “Report a vulnerability.”
+the repository and click “Report a vulnerability.”
 
 Be sure to include as much detail as necessary in your report. As with
 reporting normal issues, a minimal reproducible example will help the