diff --git a/params/config.go b/params/config.go
index ac55d3771a..88ff772a1d 100644
--- a/params/config.go
+++ b/params/config.go
@@ -214,7 +214,7 @@ var (
 	}
 
 	// TestChainConfig contains every protocol change (EIPs) introduced
-	// and accepted by the Ethereum core developers for testing proposes.
+	// and accepted by the Ethereum core developers for testing purposes.
 	TestChainConfig = &ChainConfig{
 		ChainID:                       big.NewInt(1),
 		HomesteadBlock:                big.NewInt(0),