Scenario "Santiago": confusing wording

[fduran]

This scenario description is confusing some users (difference between occurrences of a string and number of lines where that string is present in a file). Also the way to present two solutions in one file is confusing.

Want to re-write this scenario into a similar one about more advanced grep usage.

[fduran]

also, grep -wc gives one result less in a file than grep -c