diff --git a/src/types.ts b/src/types.ts
index 241a0bf..d052268 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,3 +1,8 @@
+/**
+ * Global options for loggers
+ *
+ * Format : can contain $time, $level and $namespace
+ */
 export type Options = {
     format: string,
     pad_level: boolean,