The article was updated, probably in response to the parent comment. It used to read this: > Remember your first day reading production code? You probably did

The article was updated, probably in response to the parent comment. It used to read this: > Remember your first day reading production code? You probably did what I did - start at line 1, read every file top to bottom, get lost in the details. I copied before refreshing, and sure enough that line was modified.