Bump version 2.8.0.

README.md

diff --git a/README.md b/README.md
index a6f98fc..0fa2b92 100644
--- a/README.md
+++ b/README.md
@@ -10,13 +10,14 @@
 
 Currently TinyGLTF is stable and maintainance mode. No drastic changes and feature additions planned.
 
+ - v2.8.0 Add URICallbacks for custom URI handling in Buffer and Image. PR#397
  - v2.7.0 Change WriteImageDataFunction user callback function signature. PR#393
  - v2.6.0 Support serializing sparse accessor(Thanks to @fynv).
  - v2.5.0 Add SetPreserveImageChannels() option to load image data as is.
  - v2.4.0 Experimental RapidJSON support. Experimental C++14 support(C++14 may give better performance)
  - v2.3.0 Modified Material representation according to glTF 2.0 schema(and introduced TextureInfo class)
  - v2.2.0 release(Support loading 16bit PNG. Sparse accessor support)
- - v2.1.0 release(Draco support)
+ - v2.1.0 release(Draco decoding support)
  - v2.0.0 release(22 Aug, 2018)!
 
 ### Branches

tiny_gltf.h

diff --git a/tiny_gltf.h b/tiny_gltf.h
index 4e6825e..2159a17 100644
--- a/tiny_gltf.h
+++ b/tiny_gltf.h
@@ -26,6 +26,7 @@
 // THE SOFTWARE.
 
 // Version:
+//  - v2.8.0 Add URICallbacks for custom URI handling in Buffer and Image. PR#397.
 //  - v2.7.0 Change WriteImageDataFunction user callback function signature. PR#393.
 //  - v2.6.3 Fix GLB file with empty BIN chunk was not handled. PR#382 and PR#383.
 //  - v2.6.2 Fix out-of-bounds access of accessors. PR#379.