diff --git a/crypto/secp256k1/secp256_test.go b/crypto/secp256k1/secp256_test.go
index 8bb870fa18..4827cc5b25 100644
--- a/crypto/secp256k1/secp256_test.go
+++ b/crypto/secp256k1/secp256_test.go
@@ -48,7 +48,7 @@ func randSig() []byte {
 }
 
 // tests for malleability
-// highest bit of signature ECDSA s value must be 0, in the 33th byte
+// the highest bit of signature ECDSA s value must be 0, in the 33th byte
 func compactSigCheck(t *testing.T, sig []byte) {
 	var b = int(sig[32])
 	if b < 0 {