diff --git a/addons/website_slides/models/slide_channel.py b/addons/website_slides/models/slide_channel.py
index 27399364992..77aacea09d9 100644
--- a/addons/website_slides/models/slide_channel.py
+++ b/addons/website_slides/models/slide_channel.py
@@ -87,8 +87,9 @@ class Channel(models.Model):
     # description
     name = fields.Char('Name', translate=True, required=True)
     active = fields.Boolean(default=True)
-    description = fields.Text('Short Description', translate=True)
-    description_html = fields.Html('Description', translate=tools.html_translate, sanitize_attributes=False)
+    description = fields.Text('Description', translate=True, help="The description that is displayed on top of the course page, just below the title")
+    description_short = fields.Text('Short Description', translate=True, help="The description that is displayed on the course card")
+    description_html = fields.Html('Detailed Description', translate=tools.html_translate, sanitize_attributes=False)
     channel_type = fields.Selection([
         ('documentation', 'Documentation'), ('training', 'Training')],
         string="Course type", default="documentation", required=True)
@@ -368,16 +369,24 @@ class Channel(models.Model):
             vals['channel_partner_ids'] = [(0, 0, {
                 'partner_id': self.env.user.partner_id.id
             })]
+        if vals.get('description') and not vals.get('description_short'):
+            vals['description_short'] = vals['description']
         channel = super(Channel, self.with_context(mail_create_nosubscribe=True)).create(vals)
 
         if channel.user_id:
             channel._action_add_members(channel.user_id.partner_id)
         if 'enroll_group_ids' in vals:
             channel._add_groups_members()
+
         return channel
 
     def write(self, vals):
+        # If description_short wasn't manually modified, there is an implicit link between this field and description.
+        if vals.get('description') and not vals.get('description_short') and self.description == self.description_short:
+            vals['description_short'] = vals.get('description')
+
         res = super(Channel, self).write(vals)
+
         if vals.get('user_id'):
             self._action_add_members(self.env['res.users'].sudo().browse(vals['user_id']).partner_id)
         if 'active' in vals:
@@ -385,6 +394,7 @@ class Channel(models.Model):
             self.with_context(active_test=False).mapped('slide_ids').write({'active': vals['active']})
         if 'enroll_group_ids' in vals:
             self._add_groups_members()
+
         return res
 
     @api.returns('mail.message', lambda value: value.id)
diff --git a/addons/website_slides/static/src/xml/website_slides_channel.xml b/addons/website_slides/static/src/xml/website_slides_channel.xml
index c040ef438e1..c6c95ebbf2b 100644
--- a/addons/website_slides/static/src/xml/website_slides_channel.xml
+++ b/addons/website_slides/static/src/xml/website_slides_channel.xml
@@ -32,7 +32,7 @@
                 </fieldset>
                 <div class="form-group">
                     <label for="title">Description</label>
-                    <textarea name="description" id="description" style="height:8em" class="form-control" placeholder="Write here a short description of your first course"/>
+                    <input type="text" class="form-control" name="description" id="description" placeholder="Write here a short description of your first course" />
                 </div>
                 <div class="form-group">
                     <label id="communication-label">Review</label>
diff --git a/addons/website_slides/views/slide_channel_views.xml b/addons/website_slides/views/slide_channel_views.xml
index 6b7a2a53998..32af176895f 100644
--- a/addons/website_slides/views/slide_channel_views.xml
+++ b/addons/website_slides/views/slide_channel_views.xml
@@ -77,7 +77,10 @@
                                 </field>
                             </page>
                             <page name="description" string="Description">
-                                <field name="description" colspan="4" nolabel="1"/>
+                                <group>
+                                    <field name="description" colspan="4" />
+                                    <field name="description_short" colspan="4" />
+                                </group>
                             </page>
                             <page name="options" string="Options">
                                 <group>
diff --git a/addons/website_slides/views/website_slides_templates_homepage.xml b/addons/website_slides/views/website_slides_templates_homepage.xml
index 8eaac02db8a..2779b2ef64a 100644
--- a/addons/website_slides/views/website_slides_templates_homepage.xml
+++ b/addons/website_slides/views/website_slides_templates_homepage.xml
@@ -328,7 +328,7 @@
             <a class="card-title h5 mb-2 o_wslides_desc_truncate_2" t-attf-href="/slides/#{slug(channel)}" t-esc="channel.name"/>
             <span t-if="not channel.is_published" class="badge badge-danger p-1">Unpublished</span>
             <div class="card-text mt-1">
-                <div class="font-weight-light o_wslides_desc_truncate_3" t-field="channel.description"/>
+                <div class="font-weight-light o_wslides_desc_truncate_3" t-field="channel.description_short"/>
                 <div t-if="channel.tag_ids" class="mt-2 pt-1 o_wslides_desc_truncate_2">
                     <t t-foreach="channel.tag_ids" t-as="tag">
                         <a t-att-href="'/slides/all?channel_tag_id=%s' % tag.id" class="badge badge-light" t-esc="tag.name"/>