diff --git a/content/en/docs/concepts/policy/pod-security-policy.md b/content/en/docs/concepts/policy/pod-security-policy.md
index 44c4a41e7a..f482c5efb2 100644
--- a/content/en/docs/concepts/policy/pod-security-policy.md
+++ b/content/en/docs/concepts/policy/pod-security-policy.md
@@ -421,8 +421,10 @@ The **recommended minimum set** of allowed volumes for new PSPs are:
 - projected
 
 {{< warning >}}
-PodSecurityPolicy does not limit the types of `PersistentVolume` objects that may be referenced by a `PersistentVolumeClaim`.
-Only trusted users should be granted permission to create `PersistentVolume` objects.
+PodSecurityPolicy does not limit the types of `PersistentVolume` objects that
+may be referenced by a `PersistentVolumeClaim`, and hostPath type
+`PersistentVolumes` do not support read-only access mode. Only trusted users
+should be granted permission to create `PersistentVolume` objects.
 {{< /warning >}}
 
 **FSGroup** - Controls the supplemental group applied to some volumes.