diff --git a/BUGs b/BUGs
index 7d11405..ad84ed5 100644
--- a/BUGs
+++ b/BUGs
@@ -20,3 +20,4 @@ BUG-62: viewlist on venice subdir and 'next' crashes server with a 500
     ESC[36mpaweb                 |ESC[0m     current = int(lst[0])
     ESC[36mpaweb                 |ESC[0m ValueError: invalid literal for int() with base 10: ''
 BUG-63: gif without thumbmnail (eg 20180704_104637.gif)
+    https://freeyeti.net/en/a/create-thumbnail-for-a-gif-image