SW-Tutorial.md

@@ -170,7 +170,7 @@ and some **OPTIONAL** arguments:
 
 - the list of the channel (i.e. the crystal ID number): `[-c]`
 - the run number, required by the events-selection: `[-r]`
-- the campaign selected. If any campaign is required by the user, an empty `Default` campaing is present: `[-exp]`
+- the campaign selected. If any campaign is provided by the user, an empty `Default` campaing is present: `[-exp]`
 - the path of the output file: `[-o]`
 - keyword to trigger on a specific crystal (e.g. the central one): `[-t]`