diff --git a/docs/references/backend/organization/create-organization-invitation.mdx b/docs/references/backend/organization/create-organization-invitation.mdx
index c816e57742..dcf5ced83e 100644
--- a/docs/references/backend/organization/create-organization-invitation.mdx
+++ b/docs/references/backend/organization/create-organization-invitation.mdx
@@ -24,7 +24,7 @@ function createOrganizationInvitation(
   ---
 
   - `inviterUserId`
-  - `string`
+  - `string | null`
 
   The user ID of the user creating the invitation.