corrected typo "non-rfee" to "non-free"
corrected typo "non-free"
corrected typo "non-free"
corrected typo "non-free"
corrected typo "non-free"
Merge pull request #17 from adonald/patch-1

corrected typo "non-rfee" to "non-free"
Merge pull request #18 from adonald/master

corrected typo "non-free"