Add a bit more documentation
@@ -83,7 +83,8 @@ type App struct {
Writer io.Writer
// ErrWriter writes error output
ErrWriter io.Writer
- // Execute this function to handle ExitErrors
+ // Execute this function to handle ExitErrors. If not provided, HandleExitCoder is provided to
+ // function as a default, so this is optional.
ExitErrHandler ExitErrHandlerFunc
// Other custom info
Metadata map[string]interface{}
