diff --git a/image/README.md b/image/README.md
index f3203c5..888fb6e 100644
--- a/image/README.md
+++ b/image/README.md
@@ -4,4 +4,7 @@ Upload, resize, and convert images
 
 The image service provides upload, resize, and image conversion. It provides a CDN for uploaded images and a simple API.
 
-Note: max image size is 10MB
+### Notes
+Max image size is 10MB.
+
+CDN caches content with a TTL of 1 hour.