Use intended semantics

I think distinguish was the intended meaning here, not dismantle.

lib/Doctrine/DBAL/Types/Type.php

@@ -338,7 +338,7 @@ abstract class Type
 
     /**
      * If this Doctrine Type maps to an already mapped database type,
-     * reverse schema engineering can't take them apart. You need to mark
+     * reverse schema engineering can't tell them apart. You need to mark
      * one of those types as commented, which will have Doctrine use an SQL
      * comment to typehint the actual Doctrine Type.
      *