Small change for System.Reflection.MethodImplAttributes.AggressiveOptimization (#2864)

* Small change for System.Reflection.MethodImplAttributes.AggressiveOptimization

* Update MethodImplAttributes.xml

Author: carlossanlop

xml/System.Reflection/MethodImplAttributes.xml

@@ -162,7 +162,7 @@
       </ReturnValue>
       <MemberValue>512</MemberValue>
       <Docs>
-        <summary>Specifies that the method may contain hot code and should be aggressively optimized.</summary>
+        <summary>Specifies that the method should be optimized whenever possible.</summary>
       </Docs>
     </Member>
     <Member MemberName="CodeTypeMask">
@@ -763,4 +763,4 @@
       </Docs>
     </Member>
   </Members>
-</Type>
+</Type>