Update altsrc/map_input_source.go
@@ -16,7 +16,7 @@ type MapInputSource struct {
valueMap map[interface{}]interface{}
}
-//NewMapInputSource create a new MapInputSource type
+// NewMapInputSource creates a new MapInputSource for implementing custom input sources.
func NewMapInputSource(file string, valueMap map[interface{}]interface{}) *MapInputSource {
return &MapInputSource{file: file, valueMap: valueMap}
}
