diff --git a/event/common.go b/event/common.go
index 6fd6f09..a7f19e5 100644
--- a/event/common.go
+++ b/event/common.go
@@ -331,16 +331,16 @@ const (
 const (
 	SaveHistoryDefaultKey = "SaveHistoryDefault" // profile level default
 	SaveHistoryKey        = "SavePeerHistory"
-	DeleteHistoryDefault   = "DefaultDeleteHistory" // used at both profile and contact level.
+	DeleteHistoryDefault  = "DefaultDeleteHistory" // used at both profile and contact level.
 )
 
 // Define Default Attribute Values
 const (
 	// Save History has 3 distinct states. By default we refer to the profile level
-	//  attribute SaveHistoryDefaultKey ( default: unset i.e. DefaultDeleteHistory), 
-	// For each contact, if the profile owner confirms this we change to DeleteHistoryConfirmed, 
+	//  attribute SaveHistoryDefaultKey ( default: unset i.e. DefaultDeleteHistory),
+	// For each contact, if the profile owner confirms this we change to DeleteHistoryConfirmed,
 	// if the profile owner confirms they want to save history then this becomes SaveHistoryConfirmed
-	// These settings are set at the UI level usig SetScopeZoneAttribute local.profile.*
+	// These settings are set at the UI level using Get/SetScopeZoneAttribute with scoped zone: local.profile.*
 	SaveHistoryConfirmed   = "SaveHistory"
 	DeleteHistoryConfirmed = "DeleteHistoryConfirmed"
 	SaveHistoryDefault     = "DefaultSaveHistory"