Update xml/System/UriBuilder.xml

Author: gewarren

xml/System/UriBuilder.xml

@@ -1139,7 +1139,8 @@ The following example sets the <xref:System.UriBuilder.Query> property.
           <format type="text/markdown"><![CDATA[
 
 ## Remarks
- The set accessor validates the scheme name for validity according to RFC 2396. The scheme name must begin with a letter and must contain only letters, digits, and the characters ".", "+", or "-".
+
+The set accessor validates the scheme name for validity according to RFC 2396. The scheme name must begin with a letter and must contain only letters, digits, and the characters ".", "+", or "-".
 
  ]]></format>
         </remarks>