small name changes

exercises/problems/5_author_firetask/dataloader+repeater.json

@@ -32,11 +32,11 @@
           {
             "_fw_name": "{{custom_tasks.RepeatIfLengthLesser}}",
             "measure": "applicant profiles",
-            "minimum": "number to apply"
+            "minimum": "number to screen"
           }
         ],
         "maximum applications": 30,
-        "number to apply": 10
+        "number to screen": 10
       }
     },
     {