diff --git a/querydsl-core/src/main/java/com/mysema/query/types/custom/CustomMixin.java b/querydsl-core/src/main/java/com/mysema/query/types/custom/CustomMixin.java
index af8aec21c..63d5bb763 100644
--- a/querydsl-core/src/main/java/com/mysema/query/types/custom/CustomMixin.java
+++ b/querydsl-core/src/main/java/com/mysema/query/types/custom/CustomMixin.java
@@ -13,6 +13,8 @@ import com.mysema.query.types.Expr;
 import com.mysema.query.types.Template;
 
 /**
+ * Mixin implementation of the Custom interface
+ * 
  * @author tiwe
  *
  * @param <T>
diff --git a/querydsl-core/src/main/java/com/mysema/query/types/query/SubQueryMixin.java b/querydsl-core/src/main/java/com/mysema/query/types/query/SubQueryMixin.java
index 2333b78c9..4f4495830 100644
--- a/querydsl-core/src/main/java/com/mysema/query/types/query/SubQueryMixin.java
+++ b/querydsl-core/src/main/java/com/mysema/query/types/query/SubQueryMixin.java
@@ -16,6 +16,8 @@ import com.mysema.query.types.expr.EBoolean;
 import com.mysema.query.types.expr.OBoolean;
 
 /**
+ * Mixin implementation of the SubQuery interface
+ * 
  * @author tiwe
  *
  */