doc: update comment

Author: srdtrk

utils/address_codec_test.go

@@ -109,7 +109,7 @@ func TestBytesToString(t *testing.T) {
 	config.SetBech32PrefixForAccount("cosmos", "cosmospub")
 
 	addrBz := common.HexToAddress(hex).Bytes() // 20 bytes
-	zeroAddr := common.Address{}.Hex()         // "0x0000..."
+	zeroAddr := common.Address{}.Hex()         // "0x000..."
 
 	// Helper codec (used only where we want to derive bytes from the bech32 string)
 	cdc := utils.NewEvmCodec("cosmos")