1 files changed, 15 insertions, 11 deletions
diff --git a/CarpetDev/CarpetIOF5/README b/CarpetDev/CarpetIOF5/README
index a03d4b2f5..a625117a0 100644
--- a/CarpetDev/CarpetIOF5/README
+++ b/CarpetDev/CarpetIOF5/README
@@ -11,16 +11,20 @@ Input and output data using the HDF5 based F5 file format.
 
 An F5 file contains the following hierarchy:
 
-        file
-        timestep
-        simulation
-        topology
-        coordinate_system
-        physical_quantity
-        tensor_component
-        data_region
+        Bundle
+        Slice
+        Grid
+        Topology
+        Representation
+        Field
 
-2006-06-05: Werner says that tensor_component and data_region should
-be interchanged.
+We have a class hierarchy:
 
-2007-04-25: Werner confirms this.
+        file
+        timestep (slice)
+        simulation (grid) [grid hierarchy of one patch]
+        topology (topology) [one refinement level]
+        coordinate_system (representation)
+        physical_quantity (field)
+        data_region
+        tensor_component