fix exception formatting (#3616)

Author: mairaw

xml/System.Diagnostics/Process.xml

@@ -4723,8 +4723,10 @@ There is a similar issue when you read all text from both the standard output an
  ]]></format>
         </remarks>
         <exception cref="T:System.InvalidOperationException">No file name was specified in the <see cref="T:System.Diagnostics.Process" /> component's <see cref="P:System.Diagnostics.Process.StartInfo" />.
- -or-
- The <see cref="P:System.Diagnostics.ProcessStartInfo.UseShellExecute" /> member of the <see cref="P:System.Diagnostics.Process.StartInfo" /> property is <see langword="true" /> while <see cref="P:System.Diagnostics.ProcessStartInfo.RedirectStandardInput" />, <see cref="P:System.Diagnostics.ProcessStartInfo.RedirectStandardOutput" />, or <see cref="P:System.Diagnostics.ProcessStartInfo.RedirectStandardError" /> is <see langword="true" />.</exception>
+
+-or-
+
+The <see cref="P:System.Diagnostics.ProcessStartInfo.UseShellExecute" /> member of the <see cref="P:System.Diagnostics.Process.StartInfo" /> property is <see langword="true" /> while <see cref="P:System.Diagnostics.ProcessStartInfo.RedirectStandardInput" />, <see cref="P:System.Diagnostics.ProcessStartInfo.RedirectStandardOutput" />, or <see cref="P:System.Diagnostics.ProcessStartInfo.RedirectStandardError" /> is <see langword="true" />.</exception>
         <exception cref="T:System.ComponentModel.Win32Exception">There was an error in opening the associated file.</exception>
         <exception cref="T:System.ObjectDisposedException">The process object has already been disposed.</exception>
         <exception cref="T:System.PlatformNotSupportedException">Method not supported on operating systems without shell support such as Nano Server (.NET Core only).</exception>