diff --git a/router/java/src/net/i2p/data/i2np/DatabaseLookupMessage.java b/router/java/src/net/i2p/data/i2np/DatabaseLookupMessage.java
index 18bc54b49..bad38627b 100644
--- a/router/java/src/net/i2p/data/i2np/DatabaseLookupMessage.java
+++ b/router/java/src/net/i2p/data/i2np/DatabaseLookupMessage.java
@@ -46,6 +46,8 @@ public class DatabaseLookupMessage extends I2NPMessageImpl {
     public DatabaseLookupMessage(I2PAppContext context) {
         this(context, false);
     }
+
+    /** @param locallyCreated ignored */
     public DatabaseLookupMessage(I2PAppContext context, boolean locallyCreated) {
         super(context);
         //setSearchKey(null);
diff --git a/router/java/src/net/i2p/router/MessageSelector.java b/router/java/src/net/i2p/router/MessageSelector.java
index ef35485c6..49db05e6e 100644
--- a/router/java/src/net/i2p/router/MessageSelector.java
+++ b/router/java/src/net/i2p/router/MessageSelector.java
@@ -16,19 +16,29 @@ import net.i2p.data.i2np.I2NPMessage;
  *
  */
 public interface MessageSelector {
+
     /**
-     * Returns true if the received message matches the selector
+     * Returns true if the received message matches the selector.
+     * If this returns true, the job specified by OutNetMessage.getOnReplyJob()
+     * will be run for every OutNetMessage associated with this selector
+     * (by InNetMessagePool), after calling setMessage() for that ReplyJob.
      */
     public boolean isMatch(I2NPMessage message);
+
     /**
-     * Returns true if the selector should still keep searching for further matches
-     *
+     * Returns true if the selector should still keep searching for further matches.
+     * This is called only if isMatch() returns true.
+     * If this returns true, isMatch() will not be called again.
      */
     public boolean continueMatching();
+
     /**
      * Returns the # of milliseconds since the epoch after which this selector should
-     * stop searching for matches
-     *
+     * stop searching for matches.
+     * At some time after expiration, if continueMatching() has not returned false,
+     * the job specified by OutNetMessage.getOnFailedReplyJob()
+     * will be run for every OutNetMessage associated with this selector
+     * (by OutboundMessageRegistry).
      */
     public long getExpiration();
 }