Update xml/System.Data.Common/DbConnectionStringBuilder.xml

Author: gewarren

xml/System.Data.Common/DbConnectionStringBuilder.xml

@@ -1145,7 +1145,7 @@ builder2.EquivalentTo(builder3) = False
         <exception cref="T:System.ArgumentException">
           The value for <paramref name="keyword" /> has not been set in the collection.</exception>
         <exception cref="T:System.ArgumentNullException">
-          <paramref name="keyword" /> is a null reference (<see langword="Nothing" /> in Visual Basic).</exception>        
+          <paramref name="keyword" /> is a null reference (<see langword="Nothing" /> in Visual Basic).</exception>
         <exception cref="T:System.NotSupportedException">The property is set, and the <see cref="T:System.Data.Common.DbConnectionStringBuilder" /> is read-only.
 
  -or-