diff --git a/README.md b/README.md
index 73b1172..4c194fd 100755
--- a/README.md
+++ b/README.md
@@ -166,6 +166,7 @@ declare type ImageData = {
   caption?: string;
   attribution?: string;
   canonicalURL: string;
+  defaultRatio?: string;
   renditions: ImageRendition[];
 };
 declare type ImageRendition = {