diff --git a/en/content-en/A-web-service-api.md b/en/content-en/A-web-service-api.md
index 4ece8ea3a..c2086a850 100644
--- a/en/content-en/A-web-service-api.md
+++ b/en/content-en/A-web-service-api.md
@@ -146,4 +146,4 @@ Data ID yang ingin dicari melalui endpoint /user, ditulis dengan ?id=B002 yang b
 
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-<iframe src="https://novalagung.substack.com/embed" width="100%" height="320" class="substack-embed" frameborder="0" scrolling="no"></iframe>
+<iframe src="partial/ebooks.html" width="100%" height="390px" frameborder="0" scrolling="no"></iframe>