diff --git a/addons/portal_rating/static/src/js/portal_rating_composer.js b/addons/portal_rating/static/src/js/portal_rating_composer.js
index 71c53f98c39..ec39284de81 100644
--- a/addons/portal_rating/static/src/js/portal_rating_composer.js
+++ b/addons/portal_rating/static/src/js/portal_rating_composer.js
@@ -17,6 +17,7 @@ var RatingPopupComposer = publicWidget.Widget.extend({
     template: 'portal_rating.PopupComposer',
     xmlDependencies: [
         '/portal/static/src/xml/portal_chatter.xml',
+        '/portal_rating/static/src/xml/portal_chatter.xml',
         '/portal_rating/static/src/xml/portal_tools.xml',
         '/portal_rating/static/src/xml/portal_rating_composer.xml',
     ],
diff --git a/addons/portal_rating/static/src/xml/portal_rating_composer.xml b/addons/portal_rating/static/src/xml/portal_rating_composer.xml
index 80ef4441048..b437314d80b 100644
--- a/addons/portal_rating/static/src/xml/portal_rating_composer.xml
+++ b/addons/portal_rating/static/src/xml/portal_rating_composer.xml
@@ -7,22 +7,25 @@
     <t t-name="portal_rating.PopupComposer">
         <div class="d-flex flex-wrap align-items-center">
             <div class="text-nowrap">
-                <t t-call="portal_rating.rating_stars_static">
+                <t t-call="portal_rating.rating_stars_static" t-if="!widget.options['hide_rating_avg']">
                     <t t-set="val" t-value="widget.rating_avg || 0"/>
                     <t t-set="inline_mode" t-value="true"/>
                 </t>
             </div>
             <button t-if="widget.options['display_composer']" type="button"
-                t-att-class="'btn btn-sm mx-3 ' + widget.options['link_btn_classes'] or 'btn-primary'"
+                t-att-class="'btn ' + widget.options['link_btn_classes'] or 'btn-primary'"
                 data-toggle="modal" data-target="#ratingpopupcomposer">
-                <t t-if="widget.options['display_composer']">
-                    <t t-if="widget.options['default_message_id']">
-                        Modify your review
+                <i t-if="widget.options['icon']" t-att-class="widget.options['icon']"/>
+                <span t-att-class="widget.options['_text_classes']">
+                    <t t-if="widget.options['display_composer']">
+                        <t t-if="widget.options['default_message_id']">
+                            Modify your review
+                        </t>
+                        <t t-else="">
+                            Write a review
+                        </t>
                     </t>
-                    <t t-else="">
-                        Write a review
-                    </t>
-                </t>
+                </span>
             </button>
         </div>
 
diff --git a/addons/portal_rating/views/rating_templates.xml b/addons/portal_rating/views/rating_templates.xml
index 322e7268b12..c617fd138b8 100644
--- a/addons/portal_rating/views/rating_templates.xml
+++ b/addons/portal_rating/views/rating_templates.xml
@@ -50,7 +50,10 @@
             t-att-data-default_attachment_ids="default_attachment_ids"
             t-att-data-force_submit_url="force_submit_url"
             t-att-data-disable_composer="disable_composer"
-            t-att-data-link_btn_classes="_link_btn_classes">
+            t-att-data-link_btn_classes="_link_btn_classes"
+            t-att-data-icon="icon"
+            t-att-data-text_classes="_text_classes"
+            t-att-data-hide_rating_avg="hide_rating_avg">
         </div>
     </template>
 </odoo>
diff --git a/addons/website_slides/views/website_slides_templates_course.xml b/addons/website_slides/views/website_slides_templates_course.xml
index 27ab0d45d2b..49f9aa8b3ac 100644
--- a/addons/website_slides/views/website_slides_templates_course.xml
+++ b/addons/website_slides/views/website_slides_templates_course.xml
@@ -154,7 +154,7 @@
                                     <t t-set="default_attachment_ids" t-value="last_message_attachment_ids"/>
                                     <t t-set="force_submit_url" t-value="'/slides/mail/update_comment' if last_message_id else False"/>
                                     <t t-set="disable_composer" t-value="not channel.can_review"/>
-                                    <t t-set="_link_btn_classes" t-value="'btn-link text-white'"/>
+                                    <t t-set="_link_btn_classes" t-value="'btn-sm btn-link text-white mx-3'"/>
                                 </t>
                             </div>
                         </div>