correct default info for CertificateRevocationCheckMode (dotnet#4920)

* correct default info for CertificateRevocationCheckMode

* Update xml/System.Net.Security/SslClientAuthenticationOptions.xml

Co-authored-by: Jeremy Barton <[email protected]>

Co-authored-by: Jeremy Barton <[email protected]>

Author: wfurt

xml/System.Net.Security/SslClientAuthenticationOptions.xml

@@ -138,14 +138,14 @@
       </ReturnValue>
       <Docs>
         <summary>Gets or sets the certificate revocation mode for certificate validation.</summary>
-        <value>One of the values in <see cref="T:System.Security.Cryptography.X509Certificates.X509RevocationMode" />: <see langword="NoCheck" />, <see langword="Online" />, or <see langword="Offline" />. The default is <see langword="Online" />.</value>
+        <value>One of the values in <see cref="T:System.Security.Cryptography.X509Certificates.X509RevocationMode" />. The default is <see langword="NoCheck" />.</value>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
 ## Remarks  
- When using certificates, the system validates that the client certificate is not revoked by checking that the client certificate is not in the revoked certificate list. This validation can be performed by checking online or against a cached revocation list. You can trun off revocation checking by setting this property to <xref:System.Security.Cryptography.X509Certificates.X509RevocationMode.NoCheck>.  
+ When using certificates, the system validates that the client certificate is not revoked by checking that the client certificate is not in the revoked certificate list. This validation can be performed by checking online or against a cached revocation list. You can turn off revocation checking by setting this property to <xref:System.Security.Cryptography.X509Certificates.X509RevocationMode.NoCheck>.
   
- For more information, see [Working with Certificates](/dotnet/framework/wcf/feature-details/working-with-certificates).  
+ For more information, see [Working with Certificates](/dotnet/framework/wcf/feature-details/working-with-certificates).
     
  ]]></format>
         </remarks>

xml/System.Net.Security/SslServerAuthenticationOptions.xml

@@ -136,7 +136,7 @@
       </ReturnValue>
       <Docs>
         <summary>Gets or sets the certificate revocation mode for certificate validation.</summary>
-        <value>One of the values in <see cref="T:System.Security.Cryptography.X509Certificates.X509RevocationMode" />: <see langword="NoCheck" />, <see langword="Online" />, or <see langword="Offline" />. The default is <see langword="Online" />.</value>
+        <value>One of the values in <see cref="T:System.Security.Cryptography.X509Certificates.X509RevocationMode" />: <see langword="NoCheck" />, <see langword="Online" />, or <see langword="Offline" />. The default is <see langword="NoCheck" />.</value>
         <remarks>
           <format type="text/markdown"><![CDATA[