diff --git a/man5/proc.5 b/man5/proc.5
index 85df02a45..580dd3a4c 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -1135,7 +1135,8 @@ for files on filesystem (see
 .BR stat (2)).
 .TP
 (4)
-root: root of the mount within the filesystem.
+root: pathname of the directory in the filesystem
+which forms the root of this mount.
 .TP
 (5)
 mount point: mount point relative to the process's root.