diff --git a/Convert_Matlab/inst_eddies_HDF5.py b/Convert_Matlab/inst_eddies_HDF5.py
index 8dafbc677d55eb2f5fb4ec2bf1d432e00ecf32d5..a3307d226ecd03f3bd38577981604647b27cf60d 100755
--- a/Convert_Matlab/inst_eddies_HDF5.py
+++ b/Convert_Matlab/inst_eddies_HDF5.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
-"""Converts an adt_YYYY-MM-DD_v6.mat file to a triplet of shapefiles. The
-    mat file should be in v6 format. The data is the set of detected
+"""Converts an adt_YYYY-MM-DD.mat file to a triplet of shapefiles. The
+    mat file should be in HDF5 format. The data is the set of detected
     instantaneous eddies at a given date.
 
 """
@@ -36,8 +36,8 @@ def define_fields(writers):
     writers["max_speed"].field("eddy_index", "N", 5)
 
 def write(writers, cell, cyclone):
-    """writers is a dictionary. cell is a numpy.ndarray with shape (number
-    of eddies, 21). cyclone is a boolean.
+    """writers is a dictionary. cell[:].transpose() is a numpy.ndarray
+    with shape (number of eddies, 21). cyclone is a boolean.
 
     """
     eddy_index = 0