Docs: fix text rendering of navbar external content

diff --git a/site/content/docs/5.3/components/navbar.md b/site/content/docs/5.3/components/navbar.md
index 32813486ed397c8a916811b8407ac0d4d7451708..277ef04295a663b5ffc941b962b01922a32cf4ed 100644 (file)
--- a/site/content/docs/5.3/components/navbar.md
+++ b/site/content/docs/5.3/components/navbar.md
@@ -655,9 +655,9 @@ With a toggler on the left and brand name on the right:
 Sometimes you want to use the collapse plugin to trigger a container element for content that structurally sits outside of the `.navbar` . Because our plugin works on the `id` and `data-bs-target` matching, that's easily done!
 
 {{< example >}}
-<div class="collapse" id="navbarToggleExternalContent">
+<div class="collapse" id="navbarToggleExternalContent" data-bs-theme="dark">
   <div class="bg-dark p-4">
-    <h5 class="text-white h4">Collapsed content</h5>
+    <h5 class="text-body-emphasis h4">Collapsed content</h5>
     <span class="text-body-secondary">Toggleable via the navbar brand.</span>
   </div>
 </div>