diff --git a/docs/development/core/server/kibana-plugin-server.uisettingsparams.md b/docs/development/core/server/kibana-plugin-server.uisettingsparams.md
index 2aaf3cb19a10..89eb5b10b9de 100644
--- a/docs/development/core/server/kibana-plugin-server.uisettingsparams.md
+++ b/docs/development/core/server/kibana-plugin-server.uisettingsparams.md
@@ -24,6 +24,6 @@ export interface UiSettingsParams
 |  [readonly](./kibana-plugin-server.uisettingsparams.readonly.md) | <code>boolean</code> | a flag indicating that value cannot be changed |
 |  [requiresPageReload](./kibana-plugin-server.uisettingsparams.requirespagereload.md) | <code>boolean</code> | a flag indicating whether new value applying requires page reloading |
 |  [type](./kibana-plugin-server.uisettingsparams.type.md) | <code>UiSettingsType</code> | defines a type of UI element [UiSettingsType](./kibana-plugin-server.uisettingstype.md) |
-|  [validation](./kibana-plugin-server.uisettingsparams.validation.md) | <code>StringValidation &#124; ImageValidation</code> |  |
+|  [validation](./kibana-plugin-server.uisettingsparams.validation.md) | <code>ImageValidation &#124; StringValidation</code> |  |
 |  [value](./kibana-plugin-server.uisettingsparams.value.md) | <code>SavedObjectAttribute</code> | default value to fall back to if a user doesn't provide any |
 
diff --git a/docs/development/core/server/kibana-plugin-server.uisettingsparams.validation.md b/docs/development/core/server/kibana-plugin-server.uisettingsparams.validation.md
new file mode 100644
index 000000000000..f097f36e999b
--- /dev/null
+++ b/docs/development/core/server/kibana-plugin-server.uisettingsparams.validation.md
@@ -0,0 +1,11 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-server](./kibana-plugin-server.md) &gt; [UiSettingsParams](./kibana-plugin-server.uisettingsparams.md) &gt; [validation](./kibana-plugin-server.uisettingsparams.validation.md)
+
+## UiSettingsParams.validation property
+
+<b>Signature:</b>
+
+```typescript
+validation?: ImageValidation | StringValidation;
+```
diff --git a/src/core/server/server.api.md b/src/core/server/server.api.md
index 69763ff99ae0..65477e93e225 100644
--- a/src/core/server/server.api.md
+++ b/src/core/server/server.api.md
@@ -1935,11 +1935,11 @@ export interface UiSettingsParams {
     readonly?: boolean;
     requiresPageReload?: boolean;
     type?: UiSettingsType;
-    // Warning: (ae-forgotten-export) The symbol "StringValidation" needs to be exported by the entry point index.d.ts
     // Warning: (ae-forgotten-export) The symbol "ImageValidation" needs to be exported by the entry point index.d.ts
+    // Warning: (ae-forgotten-export) The symbol "StringValidation" needs to be exported by the entry point index.d.ts
     //
     // (undocumented)
-    validation?: StringValidation | ImageValidation;
+    validation?: ImageValidation | StringValidation;
     value?: SavedObjectAttribute;
 }
 
diff --git a/src/core/server/ui_settings/types.ts b/src/core/server/ui_settings/types.ts
index 1ad1d2df615a..2ab6114e7df8 100644
--- a/src/core/server/ui_settings/types.ts
+++ b/src/core/server/ui_settings/types.ts
@@ -106,7 +106,7 @@ export interface UiSettingsParams {
    * Allows defining a custom validation applicable to value change on the client.
    * @deprecated
    */
-  validation?: StringValidation | ImageValidation;
+  validation?: ImageValidation | StringValidation;
 }
 
 export interface StringValidation {