diff --git a/params/forks/forks.go b/params/forks/forks.go
index 2d44e13b04..02f6e5b612 100644
--- a/params/forks/forks.go
+++ b/params/forks/forks.go
@@ -24,8 +24,8 @@ const (
 	FrontierThawing
 	Homestead
 	DAO
-	TangerineWhistle
-	SpuriousDragon
+	TangerineWhistle // a.k.a. the EIP150 fork
+	SpuriousDragon   // a.k.a. the EIP155 fork
 	Byzantium
 	Constantinople
 	Petersburg