Note the original repository of jsonpath in README

Author: kawamuray

README.md

@@ -70,4 +70,5 @@ example_value_count{environment="beta",id="id-C"} 3
 
 See Also
 ========
-- [kawamuray/jsonpath](https://github.com/kawamuray/jsonpath#path-syntax) : For syntax reference of JSONPath
+- [kawamuray/jsonpath](https://github.com/kawamuray/jsonpath#path-syntax) : For syntax reference of JSONPath.
+  Originally forked from nicksardo/jsonpath(now is https://github.com/NodePrime/jsonpath).