diff --git a/iris.go b/iris.go
index b4bf89da..5eabf1c6 100644
--- a/iris.go
+++ b/iris.go
@@ -209,6 +209,7 @@ func (app *Application) ConfigurationReadOnly() context.ConfigurationReadOnly {
 //
 // Available levels:
 // - "disable"
+// - "fatal"
 // - "error"
 // - "warn"
 // - "info"
@@ -231,7 +232,7 @@ func (app *Application) ConfigurationReadOnly() context.ConfigurationReadOnly {
 // Adding custom levels requires import of the `github.com/kataras/golog` package:
 //	First we create our level to a golog.Level
 //	in order to be used in the Log functions.
-//	var SuccessLevel golog.Level = 5
+//	var SuccessLevel golog.Level = 6
 //	Register our level, just three fields.
 //	golog.Levels[SuccessLevel] = &golog.LevelMetadata{
 //		Name:    "success",