Fix up Socket.Poll return value table to match other overload (#8321)

Author: gewarren

xml/System.Net.Sockets/Socket.xml

@@ -7595,40 +7595,13 @@ The maximum length of the pending connections queue is determined automatically.
         <param name="mode">One of the <see cref="T:System.Net.Sockets.SelectMode" /> values.</param>
         <summary>Determines the status of the <see cref="T:System.Net.Sockets.Socket" />.</summary>
         <returns>The status of the <see cref="T:System.Net.Sockets.Socket" /> based on the polling mode value passed in the <paramref name="mode" /> parameter.
-
- <list type="table"><listheader><term> Mode
-
- </term><description> Return Value
-
- </description></listheader><item><term><see cref="F:System.Net.Sockets.SelectMode.SelectRead" /></term><description><see langword="true" /> if <see cref="M:System.Net.Sockets.Socket.Listen(System.Int32)" /> has been called and a connection is pending;
-
- -or-
-
- <see langword="true" /> if data is available for reading;
-
- -or-
-
- <see langword="true" /> if the connection has been closed, reset, or terminated;
-
- otherwise, returns <see langword="false" />.
-
- </description></item><item><term><see cref="F:System.Net.Sockets.SelectMode.SelectWrite" /></term><description><see langword="true" />, if processing a <see cref="M:System.Net.Sockets.Socket.Connect(System.Net.EndPoint)" />, and the connection has succeeded;
-
- -or-
-
- <see langword="true" /> if data can be sent;
-
- otherwise, returns <see langword="false" />.
-
- </description></item><item><term><see cref="F:System.Net.Sockets.SelectMode.SelectError" /></term><description><see langword="true" /> if processing a <see cref="M:System.Net.Sockets.Socket.Connect(System.Net.EndPoint)" /> that does not block, and the connection has failed;
-
- -or-
-
- <see langword="true" /> if <see cref="F:System.Net.Sockets.SocketOptionName.OutOfBandInline" /> is not set and out-of-band data is available;
-
- otherwise, returns <see langword="false" />.
-
- </description></item></list></returns>
+          <ul>
+            <li>For <see cref="F:System.Net.Sockets.SelectMode.SelectRead" />, it returns <see langword="true" /> if <see cref="M:System.Net.Sockets.Socket.Listen" /> has been called and a connection is pending, if data is available for reading, or if the connection has been closed, reset, or terminated.</li>
+            <li>For <see cref="F:System.Net.Sockets.SelectMode.SelectWrite" />, it returns <see langword="true" /> if processing a <see cref="Overload:System.Net.Sockets.Socket.Connect" /> and the connection has succeeded or if data can be sent.</li>
+            <li>For <see cref="F:System.Net.Sockets.SelectMode.SelectError" />, it returns <see langword="true" /> if processing a <see cref="Overload:System.Net.Sockets.Socket.Connect" /> that does not block and the connection has failed, or if <see cref="F:System.Net.Sockets.SocketOptionName.OutOfBandInline"/> is not set and out-of-band data is available.</li>
+            <li>Otherwise, it returns <see langword="false" />.</li>
+        </ul>
+    </returns>
         <remarks>
           <format type="text/markdown"><![CDATA[
 
@@ -7644,8 +7617,6 @@ The maximum length of the pending connections queue is determined automatically.
 > [!NOTE]
 >  This member outputs trace information when you enable network tracing in your application. For more information, see [Network Tracing in .NET Framework](/dotnet/framework/network-programming/network-tracing).
 
-
-
 ## Examples
  The following code example creates a socket, connects to a server, and uses <xref:System.Net.Sockets.Socket.Poll%2A> to check the status of the socket.