diff --git a/README.md b/README.md
index 35e8ac3..5bdbba3 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # ipfs-crawler
 
-This small tools sends random key queries to the IPFS DHT, which in turns triggers connections to 
+This small tool sends random key queries to the IPFS DHT, which in turns triggers connections to 
 random nodes in the network. The queries and the spawned connections are then logged, and one then can estimate
 the network size and the churn. 
 
@@ -8,6 +8,8 @@ By averaging the maximal common length prefix of peers ID with random key shots,
 
 Some basic R data analysis is present in `logs-analysis.R`
 
+Kudos to [@raulk](https://github.com/raulk/) for the original version of the [hawk](https://github.com/raulk/dht-hawk)
+
 ## License
 
 Authored by raulk. Dual-licensed under MIT and ASLv2, by way of the [Permissive License Stack](https://protocol.ai/blog/announcing-the-permissive-license-stack/).