diff --git a/server/public/plugin/api.go b/server/public/plugin/api.go
index 059a9538fdc..d913f19ad22 100644
--- a/server/public/plugin/api.go
+++ b/server/public/plugin/api.go
@@ -132,6 +132,8 @@ type API interface {
 
 	// GetUsers a list of users based on search options.
 	//
+	// Not all fields in UserGetOptions are supported by this API.
+	//
 	// @tag User
 	// Minimum server version: 5.10
 	GetUsers(options *model.UserGetOptions) ([]*model.User, *model.AppError)