def has_description(self):
         return len(self.description) > 0
-    has_description.short_description = _('Has description')
+    has_description.short_description = _('description')
     has_description.boolean = True
 
     @permalink
     
     def has_description(self):
         return len(self.description) > 0
-    has_description.short_description = _('Has description')
+    has_description.short_description = _('description')
     has_description.boolean = True
     
     def has_pdf_file(self):
     class Meta:
         ordering = ('book', 'anchor',)
         verbose_name = _('fragment')
-        verbose_name_plural = _('fragment')
+        verbose_name_plural = _('fragments')