chore: tiny changes for readability

Author: heitorlessa

Diff for: CONTRIBUTING.md

@@ -73,12 +73,15 @@ If you discover a potential security issue in this project we ask that you notif
 
 ### API reference documentation
 
-When you are working on the codebase and you use the local API reference documentation to preview you changes you might se the following message: `Module aws_lambda_powertools not found`.
+When you are working on the codebase and you use the local API reference documentation to preview your changes, you might see the following message: `Module aws_lambda_powertools not found`.
 
 This happens when:
 
-* You did not install the local dev environment yet. The solution for that would be running: `make dev`
-* Another option is that the code in the repository is raising an exception while the `pdoc` is scanning the codebase. Unfortunately this exception is not shown to you, but if you run `poetry run pdoc --pdf aws_lambda_powertools` the exception is shown and you can prevent the exception from being raised. Once resolved the documentation should load correctly again.
+* You did not install the local dev environment yet
+    - You can install dev deps with `make dev` command
+* The code in the repository is raising an exception while the `pdoc` is scanning the codebase
+    - Unfortunately, this exception is not shown to you, but if you run, `poetry run pdoc --pdf aws_lambda_powertools`, the exception is shown and you can prevent the exception from being raised
+    - Once resolved the documentation should load correctly again
 
 ## Licensing