fix build issue

Author: mairaw

xml/System.Buffers/StandardFormat.xml

@@ -69,7 +69,7 @@ A `StandardFormat` object consists of a single character standard format specifi
 
 -or-
 
-<paramref name="symbol" /> cannot be converted to a <xref:System.Byte>.
+<paramref name="symbol" /> cannot be converted to a <see cref="T:System.Byte" />.
 
         </exception>
       </Docs>
@@ -584,4 +584,4 @@ The string representation of a <xref:System.Buffers.StandardFormat> instance is
       </Docs>
     </Member>
   </Members>
-</Type>
+</Type>