README.md in hieracles-0.3.6 vs README.md in hieracles-0.4.0

@@ -247,9 +247,13 @@
 - detect unused params
 - create a repl, which at launch reads all data so the queries are blazing fast
 - adapt to other ENCs
 - adapt to PuppetDB storage
 
+Other hiera tools
+-------------------
+
+- https://github.com/binford2k/hiera_explain
 
 Authors
 -----------
 Hieracles original code is written by [@mose](https://github.com/mose).