diff --git a/addons/crm/wizard/crm_lead_to_opportunity.py b/addons/crm/wizard/crm_lead_to_opportunity.py
index 33ec426d7d6..4b6e047f475 100644
--- a/addons/crm/wizard/crm_lead_to_opportunity.py
+++ b/addons/crm/wizard/crm_lead_to_opportunity.py
@@ -105,7 +105,7 @@ class crm_lead2opportunity_partner(osv.osv_memory):
 
         for lead in lead_obj.browse(cr, uid, context.get('active_ids', []), context=context):
             if lead.state in ['done', 'cancel']:
-                raise osv.except_osv(_("Warning !"), _("Closed/Cancelled Leads Could not convert into Opportunity"))
+                raise osv.except_osv(_("Warning !"), _("Closed/Cancelled Leads can not be converted into Opportunity"))
         return False
 
     def _convert(self, cr, uid, ids, lead, partner_id, stage_ids, context=None):
diff --git a/addons/crm/wizard/crm_phonecall_to_opportunity.py b/addons/crm/wizard/crm_phonecall_to_opportunity.py
index 98e3c978eb0..32810d2f15e 100644
--- a/addons/crm/wizard/crm_phonecall_to_opportunity.py
+++ b/addons/crm/wizard/crm_phonecall_to_opportunity.py
@@ -55,7 +55,7 @@ class crm_phonecall2opportunity(osv.osv_memory):
         case = phonecall_obj.browse(cr, uid, record_id, context=context)
         if case.state in ['done', 'cancel']:
                 raise osv.except_osv(_("Warning"), _("Closed/Cancelled Phone \
-Call Could not convert into Opportunity"))
+Call can not be converted into Opportunity"))
 
 
     def action_apply(self, cr, uid, ids, context=None):