Index: ejabberd-21.04/ejabberd.yml.example
===================================================================
--- ejabberd-21.04.orig/ejabberd.yml.example
+++ ejabberd-21.04/ejabberd.yml.example
@@ -171,6 +171,14 @@ modules:
   mod_http_api: {}
   mod_http_upload:
     put_url: https://@HOST@:5443/upload
+    ## get_url: https://@HOST@
+    ## file_mode: "0640"
+    ## dir_mode: "0750"
+    ## #
+    ## # If you have this enabled then you also need ImageMagick installed.
+    ## # This package is not required anymore but only recommended.
+    ## #
+    ## thumbnail: false # otherwise needs ejabberd to be compiled with libgd support
     custom_headers:
       "Access-Control-Allow-Origin": "https://@HOST@"
       "Access-Control-Allow-Methods": "GET,HEAD,PUT,OPTIONS"