diff --git a/14/umbraco-cms/fundamentals/data/defining-content/README.md b/14/umbraco-cms/fundamentals/data/defining-content/README.md
index 8f610a0dcd3..5f90d0ea40d 100644
--- a/14/umbraco-cms/fundamentals/data/defining-content/README.md
+++ b/14/umbraco-cms/fundamentals/data/defining-content/README.md
@@ -220,12 +220,13 @@ You can embed images by using this syntax:
 
 <summary><strong>Collapsible description</strong></summary>
 
-You can make the description collapsible by adding `--` on its own line:
+You can make the description collapsible by using this syntax:
 
 ```md
-This is initially shown
---
-This is initially hidden
+<details>
+  <summary>This is displayed</summary>
+  This is hidden.
+</details>
 ```
 
 </details>
diff --git a/15/umbraco-cms/fundamentals/data/defining-content/README.md b/15/umbraco-cms/fundamentals/data/defining-content/README.md
index 26ff4706a5f..1349348ac35 100644
--- a/15/umbraco-cms/fundamentals/data/defining-content/README.md
+++ b/15/umbraco-cms/fundamentals/data/defining-content/README.md
@@ -220,12 +220,13 @@ You can embed images by using this syntax:
 
 <summary><strong>Collapsible description</strong></summary>
 
-You can make the description collapsible by adding `--` on its own line:
+You can make the description collapsible by using this syntax:
 
 ```md
-This is initially shown
---
-This is initially hidden
+<details>
+  <summary>This is displayed</summary>
+  This is hidden.
+</details>
 ```
 
 </details>