diff --git a/docs/config/setup/interfaces/mermaid.Mermaid.md b/docs/config/setup/interfaces/mermaid.Mermaid.md
index a340c7a970..86bdbe8fab 100644
--- a/docs/config/setup/interfaces/mermaid.Mermaid.md
+++ b/docs/config/setup/interfaces/mermaid.Mermaid.md
@@ -147,7 +147,7 @@ Internal helpers for mermaid
 | `common.sanitizeTextOrArray` | (`a`: `string` \| `string`\[] \| `string`\[]\[], `config`: [`MermaidConfig`](mermaid.MermaidConfig.md)) => `string` \| `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `common.splitBreaks`         | (`text`: `string`) => `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
 | `getConfig`                  | () => [`MermaidConfig`](mermaid.MermaidConfig.md)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
-| `insertCluster`              | (`elem`: `any`, `node`: `any`) => `any`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
+| `insertCluster`              | (`elem`: `any`, `node`: `any`) => `Promise`<`any`>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `insertEdge`                 | (`elem`: `any`, `edge`: `any`, `clusterDb`: `any`, `diagramType`: `any`, `startNode`: `any`, `endNode`: `any`, `id`: `any`) => { `originalPath`: `any` ; `updatedPath`: `any` }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
 | `insertEdgeLabel`            | (`elem`: `any`, `edge`: `any`) => `Promise`<`any`>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `insertMarkers`              | (`elem`: `any`, `markerArray`: `any`, `type`: `any`, `id`: `any`) => `void`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |