@@ -15,11 +15,11 @@
  */
 
 #import "OFSet.h"
 
 /**
- * \brief An mutable unordered set of unique objects.
+ * \brief An abstract class for a mutable unordered set of unique objects.
  */
 @interface OFMutableSet: OFSet
 /**
  * \brief Adds the specified object to the set.
  *