diff --git a/matlab/ReadHDF5FieldData.m b/matlab/ReadHDF5FieldData.m
index dfa1304..19f58e1 100644
--- a/matlab/ReadHDF5FieldData.m
+++ b/matlab/ReadHDF5FieldData.m
@@ -2,12 +2,21 @@ function hdf_fielddata = ReadHDF5FieldData(file)
 % function hdf_fielddata = ReadHDF5FieldData(file)
 %
 % returns:
+% hdf_fielddata.time
 % hdf_fielddata.names
 % hdf_fielddata.values
 %
+% example: values of timestep 12:
+% hdf_fielddata.values{12}: array (x,y,z,polarization)
+%
+% plot z-field component along y-direction for timestep 12:
+% plot( hdf_fielddata.values{12}(1,:,1,3) )
+%
 % openEMS matlab interface
 % -----------------------
 % author: Thorsten Liebig
+%
+% See also ReadHDF5Mesh
 
 info = hdf5info(file);
 
diff --git a/matlab/ReadHDF5Mesh.m b/matlab/ReadHDF5Mesh.m
index a6af7e0..1ea2690 100644
--- a/matlab/ReadHDF5Mesh.m
+++ b/matlab/ReadHDF5Mesh.m
@@ -9,6 +9,8 @@ function hdf_mesh = ReadHDF5Mesh(file)
 % openEMS matlab interface
 % -----------------------
 % author: Thorsten Liebig
+%
+% See also ReadHDF5FieldData
 
 info = hdf5info(file);