Clarify dependency management in style guide (#35259)

Co-authored-by: Brian McClain <brianmmcclain@gmail.com>

website/docs/language/style.mdx

@@ -20,7 +20,7 @@ Writing Terraform code in a consistent style makes it easier to read and maintai
 - Use `#` for single and multi-line comments.
 - Use nouns for resource names and do not include the resource type in the name. 
 - Use underscores to separate multiple words in names. Wrap the resource type and name in double quotes in your resource definition.
-- Let your code build on itself: define dependent resources after the resources that reference them.
+- Let your code build on itself: define dependent resources after the resources they reference.
 - Include a type and description for every variable.
 - Include a description for every output.
 - Avoid overuse of variables and local values.