if you accidentally did this

Author: brianamarie

responses/04b_add-gitignore.md

@@ -19,7 +19,7 @@ In this pull request, I'm adding a `.gitignore` file. Files ending with `.env` c
 1. Edit the file by adding `.env` to line 1
 1. Scroll down, and commit your change
 
- > _Note: Even after adding a file to the `.gitignore`, the previous commits that have edited that file still exist. After committing sensitive data, first change any tokens or passwords. Then, contact GitHub Support for help correcting your history._
+ > _Note: Even after adding a file to the `.gitignore`, the previous commits that have edited that file still exist. If you accidentally committed sensitive data, first change any tokens or passwords. Then, contact GitHub Support for help correcting your history._
 
 For a printable version of the steps in this course, check out the [Quick Reference Guide]({{ host }}/public/{{ course.slug }}.pdf).