diff --git a/src/index.ts b/src/index.ts
index 323f0e4..47c26d4 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -124,6 +124,8 @@ class S3Storage extends StorageBase {
     return new S3(options)
   }
 
+  // Doesn't seem to be documented, but required for using this adapter for other media file types.
+  // Seealso: https://github.com/laosb/ghos3/pull/6
   urlToPath(url) {
     return url;
   }