diff --git a/apps/server/src/modules/authentication/interface/user.ts b/apps/server/src/modules/authentication/interface/user.ts
index 164e8f4024e..5331d225505 100644
--- a/apps/server/src/modules/authentication/interface/user.ts
+++ b/apps/server/src/modules/authentication/interface/user.ts
@@ -40,5 +40,6 @@ export interface ICurrentUser {
 	/** True if a support member impersonates the user */
 	impersonated?: boolean;
 
+	/** True if the user is an external user which could be e.g. a ldap or oauth user */
 	isExternalUser: boolean;
 }