diff --git a/CHANGES.txt b/CHANGES.txt
index a397447..509ce8b 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,6 +4,10 @@ Changelog
 1.0RC1 (unreleased)
 -------------------
 
+- Show a 'Comments are moderated.' message next to the comment form if comments
+  are moderated. 
+  [timo]
+  
 - Make sure plone.app.registry's ZCML is loaded, so that its import step will run
   when plone.app.discussion is installed.
   [davisagli]
diff --git a/plone/app/discussion/browser/comments.py b/plone/app/discussion/browser/comments.py
index 31a6226..0c2a9e4 100644
--- a/plone/app/discussion/browser/comments.py
+++ b/plone/app/discussion/browser/comments.py
@@ -59,6 +59,10 @@ COMMENT_DESCRIPTION_INTELLIGENT_TEXT = _(
              "Plain text formatting. Web and email addresses are transformed " +
              "into clickable links.")
 
+COMMENT_DESCRIPTION_MODERATION_ENABLED = _(
+    u"comment_description_moderation_enabled",
+    default=u"Comments are moderated.")
+
 
 class CommentForm(extensible.ExtensibleForm, form.Form):
 
@@ -296,16 +300,29 @@ class CommentsViewlet(ViewletBase):
 
     def comment_transform_message(self):
         """Returns the description that shows up above the comment text,
-           dependent on the text_transform setting of the discussion control
-           panel.
+           dependent on the text_transform setting and the comment moderation
+           workflow in the discussion control panel.
         """
+        context = aq_inner(self.context)
         registry = queryUtility(IRegistry)
         settings = registry.forInterface(IDiscussionSettings, check=False)
 
+        # text transform setting
         if settings.text_transform == "text/x-web-intelligent":
             message = translate(Message(COMMENT_DESCRIPTION_INTELLIGENT_TEXT))
         else:
             message = translate(Message(COMMENT_DESCRIPTION_PLAIN_TEXT))
+        
+        # comment workflow
+        wftool = getToolByName(context, "portal_workflow", None)
+        comment_workflow = wftool.getChainForPortalType('Discussion Item')[0]
+        comment_workflow = wftool[comment_workflow]
+        # check if the current workflow implements a pending state. If this is
+        # true comments are moderated
+        if 'pending' in comment_workflow.states:
+            message = message + " " + \
+                translate(Message(COMMENT_DESCRIPTION_MODERATION_ENABLED))
+        
         return message
 
     def has_replies(self, workflow_actions=False):
diff --git a/plone/app/discussion/tests/test_comments_viewlet.py b/plone/app/discussion/tests/test_comments_viewlet.py
index a7e5f4f..2160605 100644
--- a/plone/app/discussion/tests/test_comments_viewlet.py
+++ b/plone/app/discussion/tests/test_comments_viewlet.py
@@ -295,7 +295,8 @@ class TestCommentsViewlet(PloneTestCase):
         self.failUnless(self.viewlet.is_discussion_allowed())
 
     def test_comment_transform_message(self):
-        # Default transform is plain/text
+        
+        # Default transform is plain/text and comment moderation disabled
         self.failUnless(self.viewlet.comment_transform_message())
         self.assertEquals(
             self.viewlet.comment_transform_message(),
@@ -307,12 +308,24 @@ class TestCommentsViewlet(PloneTestCase):
         settings = registry.forInterface(IDiscussionSettings, check=False)
         settings.text_transform = "text/x-web-intelligent"
 
-        # Make sure the comment description is changes accordingly
+        # Make sure the comment description changes accordingly
         self.assertEquals(
             self.viewlet.comment_transform_message(),
             "You can add a comment by filling out the form below. " +
             "Plain text formatting. Web and email addresses are transformed " +
              "into clickable links.")
+        
+        # Enable moderation workflow
+        self.portal.portal_workflow.setChainForPortalTypes(
+            ('Discussion Item',),
+            ('comment_review_workflow,'))
+        
+        # Make sure the comment description shows that comments are moderated        
+        self.assertEquals(
+            self.viewlet.comment_transform_message(),
+            "You can add a comment by filling out the form below. " +
+            "Plain text formatting. Web and email addresses are transformed " +
+            "into clickable links. Comments are moderated.")
 
     def test_has_replies(self):
         self.assertEquals(self.viewlet.has_replies(), False)