diff --git a/stopwatch/models/components.py b/stopwatch/models/components.py
index db2c5d3..cfe96f3 100644
--- a/stopwatch/models/components.py
+++ b/stopwatch/models/components.py
@@ -68,7 +68,7 @@ class InternalLinkBlock(LinkBlock):
         def get_href(self, value):
             return self.get_target(value).url
 
-    heading = CharBlock()
+    heading = CharBlock(required=False)
     message = RichTextBlock(required=False, features=['h1', 'h2', 'h3', 'h4', 'bold',
                                                       'italic', 'ol', 'ul', 'hr', 'link', 'document-link', 'image', 'embed', 'blockquote'])
     links = StreamBlock((
diff --git a/stopwatch/templates/stopwatch/components/links.html b/stopwatch/templates/stopwatch/components/links.html
index acc5b90..d5a60ca 100644
--- a/stopwatch/templates/stopwatch/components/links.html
+++ b/stopwatch/templates/stopwatch/components/links.html
@@ -1,8 +1,9 @@
 {% load static wagtailcore_tags ckbootstrap_tags wagtailembeds_tags %}
 
-<div class="row g-4 {{value.heading|slugify}}">
+<div class="row g-4 {% if value.heading %}{{value.heading|slugify}}{% endif %}">
+  {% if value.heading %}
   <h2>{{value.heading}}</h2>
-
+  {% endif %}
   <div class="linkblock-links-container">
     <div class="linkblock-links-list">
       {% for link_block in self.links %}