diff --git a/site/content/docs/4.3/getting-started/javascript.md b/site/content/docs/4.3/getting-started/javascript.md
index ef519d0c36fe..3c5eecf360e0 100644
--- a/site/content/docs/4.3/getting-started/javascript.md
+++ b/site/content/docs/4.3/getting-started/javascript.md
@@ -184,7 +184,7 @@ var DefaultWhitelist = {
   h5: [],
   h6: [],
   i: [],
-  img: ['src', 'alt', 'title', 'width', 'height'],
+  img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],
   li: [],
   ol: [],
   p: [],