diff --git a/src/sunstone/etc/sunstone-server.conf b/src/sunstone/etc/sunstone-server.conf
index 3c8bd12720..17557ac6c1 100644
--- a/src/sunstone/etc/sunstone-server.conf
+++ b/src/sunstone/etc/sunstone-server.conf
@@ -51,6 +51,10 @@
 #   prod, the minified js will be used (dist/main.js)
 :env: 'prod'
 
+# Maximum allowed size of uploaded images (in bytes). Leave commented for
+# unlimited size
+# :max_upload_file_size: 10737418240 # 10 GiB
+
 ################################################################################
 # Log
 ################################################################################