comments
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/Download.java b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/Download.java
index 1659e7a..b648b33 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/Download.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/Download.java
@@ -16,6 +16,12 @@
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.widgets.*;
 
+/**
+ * This class implements the nsIDownload interface for mozilla
+ * versions 1.4 - 1.7.x.  For mozilla version 1.8.x this interface
+ * is implemented by class nsIDownload_1_8.  Later versions of
+ * mozilla do not need to call this interface. 
+ */
 class Download {
 	XPCOMObject supports;
 	XPCOMObject download;
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/Download_1_8.java b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/Download_1_8.java
index 5d10348..82819f1 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/Download_1_8.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/Download_1_8.java
@@ -16,6 +16,12 @@
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.widgets.*;
 
+/**
+ * This class implements the nsIDownload interface for mozilla
+ * version 1.8.x.  For mozilla versions 1.4 - 1.7.x this interface
+ * is implemented by class nsIDownload.  Mozilla versions later 
+ * than 1.8.x do not need to call this interface. 
+ */
 class Download_1_8 {
 	XPCOMObject supports;
 	XPCOMObject download;
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/HelperAppLauncherDialog.java b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/HelperAppLauncherDialog.java
index 7674704..706ec08 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/HelperAppLauncherDialog.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/HelperAppLauncherDialog.java
@@ -16,7 +16,7 @@
 import org.eclipse.swt.widgets.*;
 
 /**
- * This class implements the HelperAppLauncherDialog interface for mozilla
+ * This class implements the nsIHelperAppLauncherDialog interface for mozilla
  * versions 1.4 - 1.8.x.  For mozilla versions >= 1.9 this interface is
  * implemented by class HelperAppLauncherDialog_1_9.  HelperAppLauncherDialogFactory
  * determines at runtime which of these classes to instantiate. 
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/HelperAppLauncherDialog_1_9.java b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/HelperAppLauncherDialog_1_9.java
index 25aec52..dd2e0cb 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/HelperAppLauncherDialog_1_9.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/org/eclipse/swt/browser/HelperAppLauncherDialog_1_9.java
@@ -15,6 +15,12 @@
 import org.eclipse.swt.internal.mozilla.*;
 import org.eclipse.swt.widgets.*;
 
+/**
+ * This class implements the nsIHelperAppLauncherDialog interface for mozilla
+ * versions >= 1.9.  For mozilla versions 1.4 - 1.8.x this interface is
+ * implemented by class HelperAppLauncherDialog.  HelperAppLauncherDialogFactory
+ * determines at runtime which of these classes to instantiate. 
+ */
 class HelperAppLauncherDialog_1_9 {
 	XPCOMObject supports;
 	XPCOMObject helperAppLauncherDialog;