diff --git a/example_sns_init.yaml b/example_sns_init.yaml
index 7ce43af..b07fadb 100644
--- a/example_sns_init.yaml
+++ b/example_sns_init.yaml
@@ -82,6 +82,8 @@ Principals: []
 # Path to the SNS Project logo on the local filesystem. The path is relative
 # to the configuration file's location, unless an absolute path is given.
 # Must have less than 341,334 bytes. The only supported format is PNG.
+# Consider that NNS dapp will render the image with a 1:1 aspect ratio and
+# cropped to a circle.
 logo: logo.png
 
 # URL to the dapp controlled by the SNS project.