diff -r 5574cfc2b28d -r f5e18f8ed036 sphinx_django/sphinxcomment/models.py
--- a/sphinx_django/sphinxcomment/models.py	Thu Sep 30 15:59:32 2010 +0530
+++ b/sphinx_django/sphinxcomment/models.py	Fri Oct 15 15:59:28 2010 +0530
@@ -7,12 +7,12 @@
 mutable = True
 
 class Element(models.Model):
-    chapter_name = models.CharField('Chapter name', max_length=100, editable=False,
-                               db_index=True)
-
+    paragraph_id = models.CharField('Paragraph Id', max_length=100, editable=False, primary_key=True) 
+    chapter_name = models.CharField('Chapter name', max_length=100, editable=False,db_index=True)
+    
 
     def __unicode__(self):
-        return self.chapter_name
+        return self.paragraph_id
     
 class Comment(models.Model):
     element = models.ForeignKey(Element,