Javadoc fixes.

src/main/java/com/samskivert/depot/impl/Modifier.java

@@ -36,7 +36,8 @@ import com.samskivert.jdbc.DatabaseLiaison;
 /**
  * Encapsulates a modification of persistent objects.
  */
-public abstract class Modifier implements Operation<Integer>
+public abstract class Modifier
+    implements Operation<Integer>
 {
     /**
      * A simple modifier that executes a single SQL statement. No cache flushing is done as a

src/main/java/com/samskivert/depot/impl/Operation.java

@@ -29,7 +29,7 @@ import com.samskivert.depot.Stats;
 import com.samskivert.jdbc.DatabaseLiaison;
 
 /**
- * An abstraction that encompasses both {@link Query} and {@link Modifier} operations.
+ * An abstraction that encompasses both {@link Fetcher} and {@link Modifier} operations.
  */
 public interface Operation<T>
 {

src/main/java/com/samskivert/depot/impl/SQLBuilder.java

@@ -71,7 +71,7 @@ public abstract class SQLBuilder
      * that were defined in the generated SQL.
      *
      * This method throws {@link SQLException} and is thus meant to be called from within
-     * {@link Query#invoke} and {@link Modifier#invoke}.
+     * {@link Fetcher#invoke} and {@link Modifier#invoke}.
      */
     public PreparedStatement prepare (Connection conn)
         throws SQLException