Fix minor errata on debugging section [ci-skip]
Fix minor errata on debugging section [ci-skip]

rails/rails,BlakeWilliams/rails,yahonda/rails,MSP-Greg/rails,yahonda/rails,MSP-Greg/rails,Erol/rails,BlakeWilliams/rails,MSP-Greg/rails,yahonda/rails,georgeclaghorn/rails,georgeclaghorn/rails,georgeclaghorn/rails,BlakeWilliams/rails,rails/rails,esparta/rails,rails/rails,esparta/rails,esparta/rails,BlakeWilliams/rails,rails/rails,Erol/rails,MSP-Greg/rails,yawboakye/rails,yawboakye/rails,yawboakye/rails,yawboakye/rails,Erol/rails,georgeclaghorn/rails,Erol/rails,esparta/rails,yahonda/rails