Update spec/2023-07-draft.md

Co-authored-by: Arnar Bjarni Arnarson <[email protected]>

Author: niemela

spec/2023-07-draft.md

@@ -558,7 +558,7 @@ It is mandatory to provide at least one accepted solution.
 
 Metadata about the example submissions are provided in a UTF-8 encoded YAML file named `submissions.yaml` placed directly in the `submissions/` directory.
 The top level keys in `submissions.yaml` are globs matching example submissions.
-E.g. `accepted/*` would match any submission in the `submissions/accepted/` directory.
+For example, `accepted/*` would match any submission in the `submissions/accepted/` directory.
 
 Each glob maps to a map with keys as defined below specifying metadata for all submissions that is matched by the glob.