Fix and improve docs (#13620)

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## Summary

I follow the advices from the IDE spell checker and grammar checker, fix
some typos, and improve the docs.

docs/guides/integration/aws-lambda.md

@@ -256,7 +256,7 @@ For details, see the
 ### Workspace support
 
 If a project includes local dependencies (e.g., via
-[Workspaces](../../concepts/projects/workspaces.md), those too must be included in the deployment
+[Workspaces](../../concepts/projects/workspaces.md)), those too must be included in the deployment
 package.
 
 We'll start by extending the above example to include a dependency on a locally-developed library