README.md

Author: whitemerry

README.md

@@ -148,4 +148,6 @@ You can read more about Zipkin's API endpoint [here](http://zipkin.io/zipkin-api
 Code Coverage (Generated by PHPUnit):
 - Lines: 70.35% (140 / 199)
 - Functions and Methods: 52.08% (25 / 48)
-- Classes and Traits: 58.33% (7 / 12)
+- Classes and Traits: 58.33% (7 / 12)
+---
+Inspired by [Tolerance](https://github.com/Tolerance/Tolerance)