Update README.md

Co-authored-by: Davide Marchegiani <[email protected]>

Author: leoberhelman

README.md

@@ -2,7 +2,7 @@
 
 UMfile_util is a Python library that provides specific tools to process [UM files](https://code.metoffice.gov.uk/doc/um/latest/papers/umdp_F03.pdf).
 
-# UMfile_utils Desciption
+## List of functions
 
 - [perturbIC](#perturbic)
 - [um_fields_subset](#um-fields-subset)