diff --git a/CHANGES.txt b/CHANGES.txt
index d4656bf..a8eb457 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,6 +4,9 @@ Changelog
 1.0RC1 (unreleased)
 -------------------
 
+- Description for text transform added to the discussion control panel.
+  [timo]
+
 - Move the discussion control panel to the core Plone configuration.
   [timo]
 
diff --git a/plone/app/discussion/interfaces.py b/plone/app/discussion/interfaces.py
index b2b6aaf..70f7351 100644
--- a/plone/app/discussion/interfaces.py
+++ b/plone/app/discussion/interfaces.py
@@ -47,6 +47,14 @@ class IDiscussionSettings(Interface):
     text_transform = schema.Choice(
         title=_(u"label_text_transform",
                 default="Comment text transform"),
+        description=_(u"help_text_transform",
+                default=u"Use this setting to choose if the comment text " +
+                         "should be transformed in any way. You can choose "
+                         "between 'Plain text' and 'Intelligent text'. " +
+                         "'Intelligent text' converts plain text into HTML " +
+                         "where line breaks and indentation is preserved, " +
+                         "and web and email addresses are made into " +
+                         "clickable links."),                
         required=True,
         default='text/plain',
         vocabulary='plone.app.discussion.vocabularies.TextTransformVocabulary',