message: Minor updates to subtle/ecdsa.go comments.
diff: @@ -22,12 +22,12 @@ import (
  var errUnsupportedEncoding = errors.New("ecdsa: unsupported encoding")
  -// ECDSASignature is a struct holding r and s values of an ECDSA signature.
  +// ECDSASignature is a struct holding the r and s values of an ECDSA signature.
  type ECDSASignature struct {
  R, S *big.Int
  }
  -// NewECDSASignature creates a new ecdsaSignature object.
  +// NewECDSASignature creates a new ECDSASignature instance.
  func NewECDSASignature(r, s *big.Int) *ECDSASignature {
  return &ECDSASignature{R: r, S: s}
  }
  @@ -72,7 +72,7 @@ func DecodeECDSASignature(encodedBytes []byte, encoding string) (*ECDSASignature
  // ValidateECDSAParams validates ECDSA parameters.
  // The hash's strength must not be weaker than the curve's strength.
  -// Only DER encoding is supported now.
  +// DER and IEEE_P1363 encodings are supported.
  func ValidateECDSAParams(hashAlg string, curve string, encoding string) error {
  switch encoding {
  case "DER":
  