diff --git a/addons/marketing_campaign/marketing_campaign.py b/addons/marketing_campaign/marketing_campaign.py
index c3086db8fad..1e70168429f 100644
--- a/addons/marketing_campaign/marketing_campaign.py
+++ b/addons/marketing_campaign/marketing_campaign.py
@@ -220,20 +220,20 @@ class marketing_campaign_segment(osv.osv):
         'object_id': fields.related('campaign_id','object_id',
                                       type='many2one', relation='ir.model',
                                       string='Object'),
-        'ir_filter_id': fields.many2one('ir.filters', 'Filter', help=""),
-        'sync_last_date': fields.datetime('Latest Synchronization'),
+        'ir_filter_id': fields.many2one('ir.filters', 'Filter', help="Filter to select the matching resource records that belong to this segment. New filters can be created and saved using the advanced search on the list view of the Resource"),
+        'sync_last_date': fields.datetime('Last Synchronization', help="Date on which this segment was synchronized last time (automatically or manually)"),
         'sync_mode': fields.selection([('create_date', 'If record created after last sync'),
                                       ('write_date', 'If record modified after last sync (no duplicates)'),
                                       ('all', 'All records (no duplicates)')],
                                       'Workitem creation mode',
-                                      help="Determines when new workitems should be created for records matching a segment."),
+                                      help="Determines how new campaign workitems are created for resource records matching this segment. This is used when segments are synchronized manually, or automatically via the scheduled job."),
         'state': fields.selection([('draft', 'Draft'),
                                    ('running', 'Running'),
                                    ('done', 'Done'),
                                    ('cancelled', 'Cancelled')],
                                    'State',),
-        'date_run': fields.datetime('Launching Date'),
-        'date_done': fields.datetime('End Date'),
+        'date_run': fields.datetime('Launching Date', help="Initial start date of this segment."),
+        'date_done': fields.datetime('End Date', help="Date this segment was last closed or cancelled."),
     }
 
     _defaults = {