diff --git a/share/man/man4/procfs.4 b/share/man/man4/procfs.4
--- a/share/man/man4/procfs.4
+++ b/share/man/man4/procfs.4
@@ -1,7 +1,7 @@
 .\" Written by Garrett Wollman
 .\" This file is in the public domain.
 .\"
-.Dd April 10, 2023
+.Dd June 23, 2024
 .Dt PROCFS 4
 .Os
 .Sh NAME
@@ -230,10 +230,9 @@
 the wait channel message
 .It
 the process credentials consisting of
-the effective user id
-and the list of groups (whose first member
-is the effective group id)
-all comma separated.
+the effective user ID and the real user ID,
+followed by a comma-separated list of groups, of which the first member
+is the effective group ID.
 .It
 the hostname of the jail in which the process runs, or
 .Ql -