diff --git a/addons/base_setup/res_config.py b/addons/base_setup/res_config.py
index 0dc4a0f0794..e7898395d62 100644
--- a/addons/base_setup/res_config.py
+++ b/addons/base_setup/res_config.py
@@ -60,14 +60,14 @@ class sale_config_settings(osv.osv_memory):
         'module_web_linkedin': fields.boolean('Get contacts automatically from linkedIn',
             help="""When you create a new contact (person or company), you will be able to load all the data from LinkedIn (photos, address, etc)."""),
         'module_crm': fields.boolean('CRM'),
-        'module_plugin_thunderbird': fields.boolean('Enable Thunderbird plugin',
+        'module_plugin_thunderbird': fields.boolean('Enable Thunderbird plug-in',
             help="""The plugin allows you archive email and its attachments to the selected
                 OpenERP objects. You can select a partner, or a lead and
                 attach the selected mail as a .eml file in
                 the attachment of a selected record. You can create documents for CRM Lead,
                 Partner from the selected emails.
                 This installs the module plugin_thunderbird."""),
-        'module_plugin_outlook': fields.boolean('Enable Outlook plugin',
+        'module_plugin_outlook': fields.boolean('Enable Outlook plug-in',
             help="""The Outlook plugin allows you to select an object that you would like to add
                 to your email and its attachments from MS Outlook. You can select a partner,
                 or a lead object and archive a selected
diff --git a/addons/plugin_outlook/plugin_outlook.xml b/addons/plugin_outlook/plugin_outlook.xml
index e99fbf72b6d..6ecbd14b31a 100644
--- a/addons/plugin_outlook/plugin_outlook.xml
+++ b/addons/plugin_outlook/plugin_outlook.xml
@@ -51,7 +51,7 @@
                     <div>
                         <field name="module_plugin_outlook" class="oe_inline"/>
                         <label for="module_plugin_outlook"/>
-                        <button name="%(action_outlook_installer)d" type="action" string="Download and install the plugin" icon="gtk-execute"
+                        <button name="%(action_outlook_installer)d" type="action" string="Download and install the plug-in" icon="gtk-execute"
                             attrs="{'invisible': [('module_plugin_outlook','=',False)]}" class="oe_link"/>
                     </div>
                 </div>
diff --git a/addons/plugin_thunderbird/plugin_thunderbird.xml b/addons/plugin_thunderbird/plugin_thunderbird.xml
index 5ea5fc38219..cf30bdf0e9b 100644
--- a/addons/plugin_thunderbird/plugin_thunderbird.xml
+++ b/addons/plugin_thunderbird/plugin_thunderbird.xml
@@ -57,7 +57,7 @@
                     <div>
                         <field name="module_plugin_thunderbird" class="oe_inline"/>
                         <label for="module_plugin_thunderbird"/>
-                        <button name="%(action_thunderbird_installer)d" type="action" string="Download and install the plugin" icon="gtk-execute"
+                        <button name="%(action_thunderbird_installer)d" type="action" string="Download and install the plug-in" icon="gtk-execute"
                             attrs="{'invisible': [('module_plugin_thunderbird','=',False)]}" class="oe_link"/>
                     </div>
                 </div>