diff --git a/src/helma/objectmodel/db/DbKey.java b/src/helma/objectmodel/db/DbKey.java
index 436445fc..6043f5e8 100644
--- a/src/helma/objectmodel/db/DbKey.java
+++ b/src/helma/objectmodel/db/DbKey.java
@@ -1,16 +1,15 @@
 // DbKey.java
 // Copyright (c) Hannes Wallnöfer 1998-2000
- 
+
 package helma.objectmodel.db;
 
 import java.io.Serializable;
 
 
 /**
- * This is the internal representation of a database key. It is constructed 
- * out of the database URL, the table name, the user name and the database 
- * key of the node and unique within each Helma application. Currently only
- * single keys are supported.
+ *  This is the internal representation of a database key. It is constructed
+ *  from the logical table (type) name and the object's primary key
+ *  within the table. Currently only single keys are supported.
  */
 public final class DbKey implements Key, Serializable {
 
@@ -74,56 +73,3 @@ public final class DbKey implements Key, Serializable {
 }
 
 
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diff --git a/src/helma/objectmodel/db/SyntheticKey.java b/src/helma/objectmodel/db/SyntheticKey.java
index edb9b114..2735dcc8 100644
--- a/src/helma/objectmodel/db/SyntheticKey.java
+++ b/src/helma/objectmodel/db/SyntheticKey.java
@@ -65,57 +65,3 @@ public final class SyntheticKey implements Key, Serializable {
 
 }
 
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