diff --git a/src/main/org/apache/tools/ant/ProjectComponent.java b/src/main/org/apache/tools/ant/ProjectComponent.java
index 8a3fd6e85..da1c3aa9e 100644
--- a/src/main/org/apache/tools/ant/ProjectComponent.java
+++ b/src/main/org/apache/tools/ant/ProjectComponent.java
@@ -1,7 +1,7 @@
 /*
  * The Apache Software License, Version 1.1
  *
- * Copyright (c) 2001 The Apache Software Foundation.  All rights
+ * Copyright (c) 2001,2002 The Apache Software Foundation.  All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -55,30 +55,36 @@
 package org.apache.tools.ant;
 
 /**
- * Base class for components of a project, including tasks and data types. Provides
- * common facilities.
+ * Base class for components of a project, including tasks and data types.
+ * Provides common facilities.
  *
  * @author <a href="mailto:conor@apache.org">Conor MacNeill</a>
  */
 
 public abstract class ProjectComponent {
 
+    /** Project object of this component. */
     protected Project project = null;
 
+    /** Sole constructor. */
+    public ProjectComponent() {
+    }
+
     /**
      * Sets the project object of this component. This method is used by
-     * project when a component is added to it so that the component has
+     * Project when a component is added to it so that the component has
      * access to the functions of the project. It should not be used
      * for any other purpose.
      *
      * @param project Project in whose scope this component belongs.
+     *                Must not be <code>null</code>.
      */
     public void setProject(Project project) {
         this.project = project;
     }
 
     /**
-     * Get the Project to which this component belongs
+     * Returns the project to which this component belongs.
      *
      * @return the components's project.
      */
@@ -87,18 +93,18 @@ public abstract class ProjectComponent {
     }
     
     /**
-     * Log a message with the default (INFO) priority.
+     * Logs a message with the default (INFO) priority.
      *
-     * @param the message to be logged.
+     * @param msg The message to be logged. Should not be <code>null</code>.
      */
     public void log(String msg) {
         log(msg, Project.MSG_INFO);
     }
 
     /**
-     * Log a mesage with the give priority.
+     * Logs a mesage with the given priority.
      *
-     * @param the message to be logged.
+     * @param msg The message to be logged. Should not be <code>null</code>.
      * @param msgLevel the message priority at which this message is to be logged.
      */
     public void log(String msg, int msgLevel) {
@@ -107,4 +113,3 @@ public abstract class ProjectComponent {
         }
     }
 }
-