Merge pull request #1439 from Klasens/master_klasen

Updated reference in comment to mixed credits and debits value. Adjusted small typo, capitlization.

batchControl.go

@@ -31,7 +31,7 @@ type BatchControl struct {
 	// ServiceClassCode ACH Mixed Debits and Credits '200'
 	// ACH Credits Only '220'
 	// ACH Debits Only '225'
-	// Constants: MixedCreditsAnDebits (220), CReditsOnly 9220), DebitsOnly (225)
+	// Constants: MixedCreditsAnDebits (200), CreditsOnly (220), DebitsOnly (225)
 	// Same as 'ServiceClassCode' in BatchHeaderRecord
 	ServiceClassCode int `json:"serviceClassCode"`
 	// EntryAddendaCount is a tally of each Entry Detail Record and each Addenda