diff --git a/tutorial/t9.geo b/tutorial/t9.geo
index 58004910d9b92953ae642d968a75028150d4d559..76aad5760f9a48b6c9b22f05b1fc3629537af605 100644
--- a/tutorial/t9.geo
+++ b/tutorial/t9.geo
@@ -2,7 +2,7 @@
  *
  *  Gmsh tutorial 9
  * 
- *  Post-processing, plugins
+ *  Post-processing plugins (levelsets, sections, annotations)
  *
  *********************************************************************/