description of what script does

README.md

@@ -2,6 +2,8 @@
 
 ## CSV to XLSX
 
-```powershell
+`PowerShell` script to convert any CSVs found in directory that were created today -
 
-```
+1. saves them as an XLSX,
+1. renames the first tab,
+1. moves the XLSX to the parent directory