diff --git a/Doc/operations.docu b/Doc/operations.docu
index bb047dd5..bbad5708 100644
--- a/Doc/operations.docu
+++ b/Doc/operations.docu
@@ -78,6 +78,11 @@ A simple code example related to the illustration might look like this:
 \code
 PolyMesh mesh;
 
+// You need all status attributes to do delete operations
+mesh.request_edge_status();
+mesh.request_vertex_status();
+mesh.request_face_status();
+
 // Add some vertices as in the illustration above
 PolyMesh::VertexHandle vhandle[7];