diff --git a/network-api/networkapi/nav/blocks.py b/network-api/networkapi/nav/blocks.py
index d71df666ff6..e89b216dc90 100644
--- a/network-api/networkapi/nav/blocks.py
+++ b/network-api/networkapi/nav/blocks.py
@@ -1,3 +1,4 @@
+from wagtail import blocks
 from wagtail.telepath import register
 
 from networkapi.wagtailpages.pagemodels.customblocks.common.base_link_block import (
@@ -17,6 +18,8 @@ def open_in_new_window(self) -> bool:
 
 
 class NavLinkBlock(BaseLinkBlock):
+    description = blocks.CharBlock(required=False, max_length=100)
+
     class Meta:
         value_class = NavLinkValue
         label = "Navigation Link"
diff --git a/network-api/networkapi/nav/factories.py b/network-api/networkapi/nav/factories.py
index aec8757a02b..5be975fa689 100644
--- a/network-api/networkapi/nav/factories.py
+++ b/network-api/networkapi/nav/factories.py
@@ -41,6 +41,7 @@ class Params:
         relative_url_link = factory.Trait(link_to="relative_url", relative_url=f'/{factory.Faker("uri_path")}')
 
     label = factory.Faker("sentence", nb_words=3)
+    description = factory.Faker("sentence", nb_words=6)
 
     # Setup default link as external URL (it won't pass validation without a link type defined though
     # so it's still necessary to use the factory with traits)