diff --git a/params/config.go b/params/config.go
index 871782399d..f0d5bb1eb5 100644
--- a/params/config.go
+++ b/params/config.go
@@ -331,7 +331,7 @@ type ChainConfig struct {
 	DAOForkBlock   *big.Int `json:"daoForkBlock,omitempty"`   // TheDAO hard-fork switch block (nil = no fork)
 	DAOForkSupport bool     `json:"daoForkSupport,omitempty"` // Whether the nodes supports or opposes the DAO hard-fork
 
-	// EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
+	// EIP150Block implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
 	EIP150Block *big.Int `json:"eip150Block,omitempty"` // EIP150 HF block (nil = no fork)
 	EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block
 	EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block