Update README.md

README.md

@@ -261,7 +261,7 @@ License
 
 The transcoder and core encoder libraries are Apache 2.0. The transcoder utilizes no 3rd party libraries or dependencies. See [LICENSE](https://github.com/BinomialLLC/basis_universal/blob/master/LICENSE).
 
-The encoder library is Apache 2.0, but it utilizes some open source 3rd party helper modules (in 'encoder/3rdparty' and in the 'Zstd' directory) to load .QOI, .DDS, .EXR images, to handle Zstd compression, and to unpack ASTC texture blocks. See the [LICENSES](https://github.com/BinomialLLC/basis_universal/tree/master/LICENSES) folder.
+The encoder library is Apache 2.0, but it utilizes some open source 3rd party modules (in 'encoder/3rdparty' and in the 'Zstd' directory) to load [.QOI](https://qoiformat.org/), [.DDS](https://github.com/DeanoC/tiny_dds), [.EXR](https://github.com/syoyo/tinyexr) images, to handle [Zstd](https://github.com/facebook/zstd) compression, and to unpack ASTC texture blocks. See the [LICENSES](https://github.com/BinomialLLC/basis_universal/tree/master/LICENSES) folder.
 
 Repository Licensing with REUSE
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