diff --git a/addons/account/views/account_move_views.xml b/addons/account/views/account_move_views.xml
index a26f52d87b3..aaa8d467057 100644
--- a/addons/account/views/account_move_views.xml
+++ b/addons/account/views/account_move_views.xml
@@ -624,6 +624,7 @@
                                 groups="account.group_account_invoice"/>
                         <!-- Preview (only customer invoices) -->
                         <button name="preview_invoice" type="object" string="Preview" data-hotkey="o"
+                                title="Preview invoice"
                                 attrs="{'invisible': [('move_type', 'not in', ('out_invoice', 'out_refund'))]}"/>
                         <!-- Reverse -->
                         <button name="%(action_view_account_move_reversal)d" string="Reverse Entry"
diff --git a/addons/crm/views/crm_lead_views.xml b/addons/crm/views/crm_lead_views.xml
index 704f411a0fb..d6d7a185773 100644
--- a/addons/crm/views/crm_lead_views.xml
+++ b/addons/crm/views/crm_lead_views.xml
@@ -7,15 +7,15 @@
                 <form class="o_lead_opportunity_form" js_class="crm_form">
                     <header>
                         <button name="action_set_won_rainbowman" string="Won"
-                            type="object" class="oe_highlight" data-hotkey="w"
+                            type="object" class="oe_highlight" data-hotkey="w" title="Mark as won"
                             attrs="{'invisible': ['|','|', ('active','=',False), ('probability', '=', 100), ('type', '=', 'lead')]}"/>
-                        <button name="%(crm.crm_lead_lost_action)d" string="Lost" data-hotkey="l"
+                        <button name="%(crm.crm_lead_lost_action)d" string="Lost" data-hotkey="l" title="Mark as lost"
                             type="action" context="{'default_lead_id': active_id}" attrs="{'invisible': ['|', ('type', '=', 'lead'),('active', '=', False),('probability', '&lt;', 100)]}"/>
                         <button name="%(crm.action_crm_lead2opportunity_partner)d" string="Convert to Opportunity" type="action" help="Convert to Opportunity"
                             class="oe_highlight" attrs="{'invisible': ['|', ('type', '=', 'opportunity'), ('active', '=', False)]}" data-hotkey="v"/>
                         <button name="toggle_active" string="Restore" type="object" data-hotkey="z"
                             attrs="{'invisible': ['|', ('probability', '&gt;', 0), ('active', '=', True)]}"/>
-                        <button name="action_set_lost" string="Lost" type="object" data-hotkey="l"
+                        <button name="action_set_lost" string="Lost" type="object" data-hotkey="l" title="Mark as lost"
                             attrs="{'invisible': ['|', ('type', '=', 'opportunity'), '&amp;', ('probability', '=', 0), ('active', '=', False)]}"/>
                         <field name="stage_id" widget="statusbar"
                             options="{'clickable': '1', 'fold_field': 'fold'}"
diff --git a/addons/crm_iap_enrich/views/crm_lead_views.xml b/addons/crm_iap_enrich/views/crm_lead_views.xml
index ecfa087540a..1fb71cfcc35 100644
--- a/addons/crm_iap_enrich/views/crm_lead_views.xml
+++ b/addons/crm_iap_enrich/views/crm_lead_views.xml
@@ -8,10 +8,10 @@
             <xpath expr="//button[@name='%(crm.action_crm_lead2opportunity_partner)d']" position="after">
                 <field name="show_enrich_button" invisible="1"/>
                 <button string="Enrich" name="iap_enrich" type="object" class="btn btn-secondary" data-hotkey="g"
-                title="Enrich this lead with company data based on the email address"
+                title="Enrich lead with company data"
                 attrs="{'invisible':['|',('show_enrich_button', '!=', True),('type','=','opportunity')]}"/>
                 <button string="Enrich" name="iap_enrich" type="object" class="btn btn-secondary" data-hotkey="g"
-                title="Enrich this opportunity with company data based on the email address"
+                title="Enrich opportunity with company data"
                 attrs="{'invisible':['|',('show_enrich_button', '!=', True),('type','=','lead')]}"/>
             </xpath>
         </field>
diff --git a/addons/sale_crm/views/crm_lead_views.xml b/addons/sale_crm/views/crm_lead_views.xml
index cebc67fba99..1d75f3a066b 100644
--- a/addons/sale_crm/views/crm_lead_views.xml
+++ b/addons/sale_crm/views/crm_lead_views.xml
@@ -8,6 +8,7 @@
             <field name="arch" type="xml">
                 <xpath expr="//button[@name='action_set_won_rainbowman']" position="before">
                     <button string="New Quotation" name="action_sale_quotations_new" type="object" class="oe_highlight" data-hotkey="q"
+                        title="Create new quotation"
                         attrs="{'invisible': ['|', ('type', '=', 'lead'), '&amp;', ('probability', '=', 0), ('active', '=', False)]}"/>
                 </xpath>
                 <button name="action_set_won_rainbowman" position="attributes">