Checked the source code. Corrrection.

Author: CXuesong

xml/System.Security.Cryptography/RSACng.xml

@@ -335,13 +335,13 @@
         <returns>The encrypted data.</returns>
         <remarks>To be added.</remarks>
         <exception cref="T:System.ArgumentNullException">
-          <paramref name="data" /> is <see langword="null" />.  
+          <paramref name="data" /> is <see langword="null" />.
 
  -or-  
 
  <paramref name="padding" /> is <see langword="null" />.</exception>
         <exception cref="T:System.Security.Cryptography.CryptographicException">
-          <paramref name="padding" /> does not equal <see cref="P:System.Security.Cryptography.RSAEncryptionPadding.Pkcs1" />.</exception>
+          <paramref name="padding" /> does not equal <see cref="P:System.Security.Cryptography.RSAEncryptionPadding.Pkcs1" />, or else the <see cref="P:System.Security.Cryptography.RSAEncryptionPadding.Mode" /> of <paramref name="padding" /> does not equal <see cref="F:System.Security.Cryptography.RSAEncryptionPaddingMode.Oaep" />.</exception>
       </Docs>
     </Member>
     <Member MemberName="EncryptValue">