diff --git a/Doc/operations.docu b/Doc/operations.docu
index 778e5adb..d8dd7079 100644
--- a/Doc/operations.docu
+++ b/Doc/operations.docu
@@ -76,9 +76,13 @@ collapsing edges by calling OpenMesh::PolyConnectivity::is_collapse_ok().
 A simple code example related to the illustration might look like this:
 
 \code
-PolyMesh mesh;
+  PolyMesh mesh;
+
+  // Request required status flags
   mesh.request_vertex_status();
   mesh.request_edge_status();
+  mesh.request_face_status();
+
   // Add some vertices as in the illustration above
   PolyMesh::VertexHandle vhandle[7];
   vhandle[0] = mesh.add_vertex(MyMesh::Point(-1, 1, 0));
@@ -88,6 +92,7 @@ PolyMesh mesh;
   vhandle[4] = mesh.add_vertex(MyMesh::Point(0, 4, 0));
   vhandle[5] = mesh.add_vertex(MyMesh::Point(1, 1, 0));
   vhandle[6] = mesh.add_vertex(MyMesh::Point(1, 3, 0));
+
   // Add three quad faces
   std::vector<PolyMesh::VertexHandle> face_vhandles;
   face_vhandles.push_back(vhandle[1]);
@@ -95,18 +100,21 @@ PolyMesh mesh;
   face_vhandles.push_back(vhandle[2]);
   face_vhandles.push_back(vhandle[3]);
   mesh.add_face(face_vhandles);
+
   face_vhandles.clear();
   face_vhandles.push_back(vhandle[1]);
   face_vhandles.push_back(vhandle[3]);
   face_vhandles.push_back(vhandle[5]);
   face_vhandles.push_back(vhandle[4]);
   mesh.add_face(face_vhandles);
+
   face_vhandles.clear();
   face_vhandles.push_back(vhandle[3]);
   face_vhandles.push_back(vhandle[2]);
   face_vhandles.push_back(vhandle[6]);
   face_vhandles.push_back(vhandle[5]);
   mesh.add_face(face_vhandles);
+
   // Now find the edge between vertex vhandle[2]
   // and vhandle[3]
   for(PolyMesh::HalfedgeIter it = mesh.halfedges_begin(); it != mesh.halfedges_end(); ++it) {
@@ -118,6 +126,7 @@ PolyMesh mesh;
       break;
     }
   }
+
   // Our mesh now looks like in the illustration above after the collapsing.
 
 \endcode