diff --git a/man/newgidmap.1.xml b/man/newgidmap.1.xml
index 71b03e56..76fc1e30 100644
--- a/man/newgidmap.1.xml
+++ b/man/newgidmap.1.xml
@@ -88,7 +88,8 @@
DESCRIPTION
The newgidmap sets /proc/[pid]/gid_map based on its
- command line arguments and the gids allowed in /etc/subgid.
+ command line arguments and the gids allowed (either in /etc/subgid or
+ through the configured NSS subid module).
Note that the root user is not exempted from the requirement for a valid
/etc/subgid entry.
diff --git a/man/newuidmap.1.xml b/man/newuidmap.1.xml
index a6f1f085..44eca50a 100644
--- a/man/newuidmap.1.xml
+++ b/man/newuidmap.1.xml
@@ -88,7 +88,8 @@
DESCRIPTION
The newuidmap sets /proc/[pid]/uid_map based on its
- command line arguments and the uids allowed in /etc/subuid.
+ command line arguments and the uids allowed (either in /etc/subuid or
+ through the configured NSS subid module).
Note that the root user is not exempted from the requirement for a valid
/etc/subuid entry.