diff --git a/src/components/Back.astro b/src/components/Back.astro
index 3aaf66a..addc1ba 100644
--- a/src/components/Back.astro
+++ b/src/components/Back.astro
@@ -1,4 +1,7 @@
 ---
+export interface Props {
+  url: string;
+}
 const { url } = Astro.props;
 ---