diff --git a/docs/howto-arbitrum-archive.md b/docs/howto-arbitrum-archive.md
index 998c9471..9cdf4796 100644
--- a/docs/howto-arbitrum-archive.md
+++ b/docs/howto-arbitrum-archive.md
@@ -98,7 +98,7 @@ services:
     expose:
     - 8547
     - 8548
-	entrypoint: ["/bin/bash", "/entrypoint.sh"]
+    entrypoint: ["/bin/bash", "/entrypoint.sh"]
     command:
     - --l1.url=${ARBITRUM_L1_URL}
     - --l2.disable-upstream