RSACng.Encrypt used wrong "Pkcs1" link. (#2849)

* RSACng.Encrypt used wrong "Pkcs1" link.

* Checked the source code. Corrrection.

* Resolve comment.

* Keep exception description in Decrypt consistent with Encrypt.

Author: CXuesong

xml/System.Security.Cryptography/RSACng.xml

@@ -1,4 +1,4 @@
-<Type Name="RSACng" FullName="System.Security.Cryptography.RSACng">
+<Type Name="RSACng" FullName="System.Security.Cryptography.RSACng">
   <TypeSignature Language="C#" Value="public sealed class RSACng : System.Security.Cryptography.RSA" />
   <TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit RSACng extends System.Security.Cryptography.RSA" />
   <TypeSignature Language="DocId" Value="T:System.Security.Cryptography.RSACng" />
@@ -244,13 +244,13 @@ If a key is loaded via the <xref:System.Security.Cryptography.RSACng.ImportParam
         <returns>The decrypted 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" />, 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>
+          <paramref name="padding" />.<see cref="P:System.Security.Cryptography.RSAEncryptionPadding.Mode" /> isn't equal to <see cref="F:System.Security.Cryptography.RSAEncryptionPaddingMode.Pkcs1" /> or <see cref="F:System.Security.Cryptography.RSAEncryptionPaddingMode.Oaep" />.</exception>
       </Docs>
     </Member>
     <Member MemberName="DecryptValue">
@@ -364,13 +364,13 @@ If a key is loaded via the <xref:System.Security.Cryptography.RSACng.ImportParam
         <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.RSASignaturePadding.Pkcs1" /> or <see cref="P:System.Security.Cryptography.RSASignaturePadding.Pss" />.</exception>
+          <paramref name="padding" />.<see cref="P:System.Security.Cryptography.RSAEncryptionPadding.Mode" /> isn't equal to <see cref="F:System.Security.Cryptography.RSAEncryptionPaddingMode.Pkcs1" /> or <see cref="F:System.Security.Cryptography.RSAEncryptionPaddingMode.Oaep" />.</exception>
       </Docs>
     </Member>
     <Member MemberName="EncryptValue">