diff --git a/lib/exiftool.js b/lib/exiftool.js
index 23b77a11..2bbc4b22 100644
--- a/lib/exiftool.js
+++ b/lib/exiftool.js
@@ -152,6 +152,7 @@ async function readShortMeta(filepath) {
   // ARW (sony)    - will have Preview props for full view and Thumbnail props for thumbs
   // ORF (olympus) - will have Preview props for both full image and thumbs
   // RAF (fuji)    - will fall back to dcraw for full view and Thumbnail props for thumbs
+  // RW2 (pana)    - will fall back to dcraw for full view and Thumbnail props for thumbs
   // CR3 (canon)   - will use Movie props, because compression
 
   return {