diff --git a/src/main/java/se/kb/oai/pmh/IdentifiersList.java b/src/main/java/se/kb/oai/pmh/IdentifiersList.java
index 06b99d8..f60498a 100644
--- a/src/main/java/se/kb/oai/pmh/IdentifiersList.java
+++ b/src/main/java/se/kb/oai/pmh/IdentifiersList.java
@@ -23,7 +23,7 @@ import org.dom4j.Node;
 
 /**
  * Class that represents the response from a <code>ListIdentifiers</code> request.
- * You can use it to get a list of <code>Headers</code> that holds identifiers.
+ * Can be used to get a list of <code>Headers</code> that holds identifiers.
  *  
  * @author Oskar Grenholm, National Library of Sweden
  */
diff --git a/src/main/java/se/kb/oai/pmh/ListBase.java b/src/main/java/se/kb/oai/pmh/ListBase.java
index 46aafcd..3ad7123 100644
--- a/src/main/java/se/kb/oai/pmh/ListBase.java
+++ b/src/main/java/se/kb/oai/pmh/ListBase.java
@@ -4,10 +4,26 @@ import java.util.List;
 
 import org.dom4j.Document;
 
-public class ListBase<T> extends ResponseBase {
+/**
+ * Abstract base class that holds common functionality for the responses that
+ * return lists. Can be used to get the size of the list and the actual list
+ * of objects. For respones that don't return all of their results in one response,
+ * the <code>ResumptionToken</code> to get the next set of data can also be 
+ * retrieved.
+ * 
+ * @author Oskar Grenholm, National Library of Sweden
+ */
+public abstract class ListBase<T> extends ResponseBase {
 
     protected List<T> list;
     
+    /**
+     * Constructor.
+     * 
+     * @param the response
+     * 
+     * @throws ErrorResponseException
+     */
     public ListBase(Document document) throws ErrorResponseException {
         super(document);
     }
@@ -22,9 +38,9 @@ public class ListBase<T> extends ResponseBase {
     }
     
     /**
-     * Get a the content of the response as a list of type <code>T</code>.
+     * Get the content of the response as a list with objects of type <code>T</code>.
      * 
-     * @return a list with objects of type <code>T</code> 
+     * @return the list
      */
     public List<T> asList() {
         return list;
diff --git a/src/main/java/se/kb/oai/pmh/MetadataFormatsList.java b/src/main/java/se/kb/oai/pmh/MetadataFormatsList.java
index 7532e90..16693f8 100644
--- a/src/main/java/se/kb/oai/pmh/MetadataFormatsList.java
+++ b/src/main/java/se/kb/oai/pmh/MetadataFormatsList.java
@@ -23,7 +23,7 @@ import org.dom4j.Node;
 
 /**
  * This class represents the response from a <code>ListMetadataFormats</code> request 
- * to the OAI-PMH server. You can use it to get a list of <code>MetadataFormats</code>.
+ * to the OAI-PMH server. Can be used to get a list of <code>MetadataFormats</code>.
  * 
  * @author Oskar Grenholm, National Library of Sweden
  */
diff --git a/src/main/java/se/kb/oai/pmh/RecordsList.java b/src/main/java/se/kb/oai/pmh/RecordsList.java
index 2cab881..ad4f7cb 100644
--- a/src/main/java/se/kb/oai/pmh/RecordsList.java
+++ b/src/main/java/se/kb/oai/pmh/RecordsList.java
@@ -23,7 +23,7 @@ import org.dom4j.Node;
 
 /**
  * Class that represents the response from a <code>ListRecords</code> request.
- * You can use it to get the list of <code>Records</code> that made up the
+ * Can be used to get the list of <code>Records</code> that made up the
  * response.
  * 
  * @author Oskar Grenholm, National Library of Sweden
diff --git a/src/main/java/se/kb/oai/pmh/SetsList.java b/src/main/java/se/kb/oai/pmh/SetsList.java
index 04b8d71..824bdcd 100644
--- a/src/main/java/se/kb/oai/pmh/SetsList.java
+++ b/src/main/java/se/kb/oai/pmh/SetsList.java
@@ -23,7 +23,7 @@ import org.dom4j.Node;
 
 /**
  * Class that represents the response from a <code>ListSets</code> request.
- * You can use it to get a list of <code>Sets</code>.
+ * Can be used to get a list of <code>Sets</code>.
  * 
  * @author Oskar Grenholm, National Library of Sweden
  */