diff --git a/fine3/readme.md b/fine3/readme.md
index c84b173..ac2eb66 100644
--- a/fine3/readme.md
+++ b/fine3/readme.md
@@ -1,4 +1,5 @@
 ### Mesh file extraction for specific patient
-  - Extract the mesh file from zip
+  - Extract Hdf5 file from zip
   - Copy the file and rename it 'currentfilename'+_refine.hdf5
     - As an example, for [case_P1.zip](./fine3/case_P1.zip) file, extract it first, copy the file and rename the copied file with case_P1_refine.hdf5
+  - keep both hdf5 file in the same directory.