diff --git a/man7/pid_namespaces.7 b/man7/pid_namespaces.7
index 867939b0f..d7dc9e1dd 100644
--- a/man7/pid_namespaces.7
+++ b/man7/pid_namespaces.7
@@ -370,7 +370,7 @@ and when this file is subsequently read it will show that PID.
 .IP
 This file is writable by a process that has the
 .B CAP_SYS_ADMIN
-capability inside its user namespace.
+capability inside the user namespace that owns the PID namespace.
 .\" This ability is necessary to support checkpoint restore in user-space
 This makes it possible to determine the PID that is allocated
 to the next process that is created inside this PID namespace.