Update README.md

Author: rhpvorderman

README.md

@@ -1,2 +1,6 @@
-# python-isa-l
-Python bindings for the isa-l library
+# python-isal
+Python bindings for the [isa-l](https://github.com/intel/isa-l) library.
+
+The Intel Infrastructure Storage Acceleration Library (isa-l) implements several key 
+algorithms in [Assembly language](https://en.wikipedia.org/wiki/Assembly_language).
+This includes the DEFLATE algorithm which is used in `gzip`.