Fix grammar in docs

docs/dependency-submission.md

@@ -13,7 +13,7 @@ The generated dependency graph includes all of the dependencies in your build, a
 for vulnerable dependencies, as well as to populate the 
 [Dependency Graph insights view](https://docs.github.com/en/code-security/supply-chain-security/understanding-your-software-supply-chain/exploring-the-dependencies-of-a-repository#viewing-the-dependency-graph).
 
-If your confused by the behaviour you're seeing or have specific questions, please check out [the FAQ](dependency-submission-faq.md) before raising an issue.
+If you're confused by the behaviour you're seeing or have specific questions, please check out [the FAQ](dependency-submission-faq.md) before raising an issue.
 
 ## General usage