Update content/faq/errors.md

Author: kamilmysliwiec

content/faq/errors.md

@@ -42,7 +42,7 @@ Scope [<module_import_chain>]
 
 Circular dependencies can arise from both providers depending on each other, or typescript files depending on each other for constants, such as exporting constants from a module file and importing them in a service file. In the latter case, it is advised to create a separate file for your constants. In the former case, please follow the guide on circular dependencies and make sure that both the modules **and** the providers are marked with `forwardRef`.
 
-#### Debugging Dependency Errors
+#### Debugging dependency errors
 
 Along with just manually verifying your dependencies are correct, as of Nest 8.1.0 you can set the `NEST_DEBUG` environment variable to a string that resolves as truthy, and get extra logging information while Nest is resolving all of the dependencies for the application.