diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index bceddd2aa4..91195be0b3 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -964,7 +964,7 @@
option opens up to a potential security risk: the host will be unable
to reclaim the locked memory back from the guest when it's running out
of memory, which means a malicious guest allocating large amounts of
- locked memory could cause a denial-of-service attach on the host.
+ locked memory could cause a denial-of-service attack on the host.
Because of this, using this option is discouraged unless your workload
demands it; even then, it's highly recommended to set an
hard_limit (see