Fixed phrasing per @parlough

src/content/tools/pub/dependencies.md

@@ -446,12 +446,13 @@ use [`dart pub outdated`][].
 ### Tighten version constraints for dev dependencies
 
 A dev dependency defines a package that you need only when developing.
-A finished app won't need these packages. Examples include tests or code generation tooling.
+A finished app won't need these packages.
+Examples of these packages include tests or code generation tooling.
 Set the version constraints of packages in [`dev_dependencies`][dev-dep]
 to have a lower bound of the latest version on which your package depends.
 
-An example of how to set versions for dependencies would resemble the
-following `pubspec.yaml` example.
+Tightening the version constraints of your dev dependencies might
+resemble the following:
 
 ```yaml
 dev_dependencies: