README.md in format_parser-0.1.3 vs README.md in format_parser-0.1.4

@@ -7,11 +7,11 @@
 `format_parser` is inspired by [imagesize,](https://rubygems.org/gem/imagesize) [fastimage](https://github.com/sdsykes/fastimage)
 and [dimensions,](https://github.com/sstephenson/dimensions) borrowing from them where appropriate.
 
 ## Currently supported filetypes:
 
-`TIFF, PSD, PNG, MP3, JPEG, GIF, DPX, AIFF`
+`TIFF, PSD, PNG, MP3, JPEG, GIF, DPX, AIFF, WAV`
 
 ...with more on the way!
 
 ## Basic usage
 
@@ -54,7 +54,14 @@
 * Where possible, use small subsets of full-feature format parsers since we only care about a small subset of the data
 * Avoid using C libraries which are likely to contain buffer overflows/underflows - we stay memory safe
 
 ## Fixture Sources
 
-- MIT licensed fixture files from the FastImage and Dimensions projects
+Unless specified otherwise in this section the fixture files are MIT licensed and from the FastImage and Dimensions projects.
+
+### AIFF
 - fixture.aiff was created by one of the project maintainers and is MIT licensed
+
+### WAV
+- c_11k16bitpcm.wav and c_8kmp316.wav are from [Wikipedia WAV](https://en.wikipedia.org/wiki/WAV#Comparison_of_coding_schemes), retrieved January 7, 2018
+- c_39064__alienbomb__atmo-truck.wav is from [freesound](https://freesound.org/people/alienbomb/sounds/39064/) and is CC0 licensed
+- c_M1F1-Alaw-AFsp.wav and d_6_Channel_ID.wav are from a [McGill Engineering site](http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/Samples.html)