small name changes

exercises/problems/5_author_firetask/recruiting-script.py

@@ -6,14 +6,14 @@ with open('parameters.json', 'r') as inp:
 
 template = parameters['application template']
 job = parameters['job description']
-number_to_invite = parameters['number to invite']
 max_to_apply = parameters['maximum applications']
 min_score = parameters['minimum score']
+number_to_invite = parameters['number to invite']
+number_to_screen = parameters['number to screen']
 number_to_fill = parameters['number to fill']
-number_to_apply = parameters['number to apply']
 
 applied = []
-while len(applied) < number_to_apply:
+while len(applied) < number_to_screen:
     applied = candidates_apply(template, max_to_apply)
 
 screened = []