installation.md

@@ -28,9 +28,7 @@ Once you have Anaconda installed, run the following commands on the command line
     conda install pyqt
 
     # install some or all of these libraries for opening various types of files 
-    # for hdf 4 files (.hdf)
-    conda install -c conda-forge pyhdf
-    # for netCDF files (.nc)
+    # for netCDF and hdf 4 files (.nc & .hdf)
     conda install netcdf4 
     # for hdf 5 files (.h5)
     conda install h5py