diff --git a/QP_solver/test/QP_solver/master_mps_to_derivatives.C b/QP_solver/test/QP_solver/master_mps_to_derivatives.C
index 9826cfc7bdf..dadd9a78e5c 100644
--- a/QP_solver/test/QP_solver/master_mps_to_derivatives.C
+++ b/QP_solver/test/QP_solver/master_mps_to_derivatives.C
@@ -182,7 +182,7 @@ bool create_derivatives(const char *path,
 
   // derivates:
   create_shifted_instance<IT, ET>(qp, path, file, dir);
-  // Note: insert added derivate routines here! Your routine may use
+  // Note: insert additional derivative routines here! Your routine may use
   // create_output_file() to create the output file.
   
   // cleanup: