Update could-not-parse-project.md (#5404)

Hi.
This modification proposal is to add a verb I think is missing. Regards.
IL.

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website/docs/faqs/Troubleshooting/could-not-parse-project.md

@@ -12,6 +12,6 @@ The error message `Could not parse dbt_project.yml: while scanning for...` in yo
 
 To resolve this issue, consider the following:
 - Use an online YAML parser or validator to check for any parsing errors in your YAML file. Some known parsing errors include missing fields, incorrect formatting, or tab indentation.
-- Or ensure your `dbt_project.yml` file.
+- Or ensure your `dbt_project.yml` file exists.
 
 Once you've identified the issue, you can fix the error and rerun your dbt Cloud job.