diff --git a/src/problem/orders.cpp b/src/problem/orders.cpp
index ff5a57d33..8228c9c6d 100644
--- a/src/problem/orders.cpp
+++ b/src/problem/orders.cpp
@@ -143,6 +143,7 @@ Orders::set_compatibles(Speed speed) {
 
 /**
   @param [in] orders set of orders
+  @param [in] sizer_orders
   @param [in] problem_ptr pointer to problem to get some needed information
   */
 void