diff --git a/docs/user-guides/acme-http-validation.md b/docs/user-guides/acme-http-validation.md
index aaada61e1..9220914bc 100644
--- a/docs/user-guides/acme-http-validation.md
+++ b/docs/user-guides/acme-http-validation.md
@@ -100,4 +100,4 @@ Once our certificate has been obtained, cert-manager will periodically check its
   [4]: ../api-types/certificate/
   [5]: ../api-types/issuer/
   [6]: https://en.wikipedia.org/wiki/Subject_Alternative_Name
-  [7]: cluster-issuers.md]
\ No newline at end of file
+  [7]: cluster-issuers.md