diff --git a/15/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md b/15/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
index 2cbd04ad292..c709041bf4d 100644
--- a/15/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
+++ b/15/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
@@ -66,3 +66,7 @@ public class MyItemApiController : ManagementApiControllerBase
 Now when we visit the Swagger UI, "My item API" has its own Swagger document:
 
 ![My item API in Swagger UI](images/my-item-api-swagger-ui.png)
+
+{% hint style="info" %}
+Swagger UI sometimes has persistent caching, which can prevent the new definition from appearing immediately. If this happens, disable caching in the **Network** tab of your browser's developer tools.
+{% endhint %}
\ No newline at end of file
diff --git a/16/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md b/16/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
index 2cbd04ad292..7097ef4d87d 100644
--- a/16/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
+++ b/16/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
@@ -66,3 +66,7 @@ public class MyItemApiController : ManagementApiControllerBase
 Now when we visit the Swagger UI, "My item API" has its own Swagger document:
 
 ![My item API in Swagger UI](images/my-item-api-swagger-ui.png)
+
+{% hint style="info" %}
+Swagger UI sometimes has persistent caching, which can prevent the new definition from appearing immediately. If this happens, disable caching in the **Network** tab of your browser's developer tools.
+{% endhint %}
diff --git a/17/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md b/17/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
index 2cbd04ad292..c709041bf4d 100644
--- a/17/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
+++ b/17/umbraco-cms/tutorials/creating-a-backoffice-api/adding-a-custom-swagger-document.md
@@ -66,3 +66,7 @@ public class MyItemApiController : ManagementApiControllerBase
 Now when we visit the Swagger UI, "My item API" has its own Swagger document:
 
 ![My item API in Swagger UI](images/my-item-api-swagger-ui.png)
+
+{% hint style="info" %}
+Swagger UI sometimes has persistent caching, which can prevent the new definition from appearing immediately. If this happens, disable caching in the **Network** tab of your browser's developer tools.
+{% endhint %}
\ No newline at end of file