From d64ba321b89627d96db79933c736e94518611721 Mon Sep 17 00:00:00 2001
From: Nicolas Williams <nico@twosigma.com>
Date: Sun, 21 Dec 2025 22:43:40 -0600
Subject: [PATCH] kadmin: Update kadmin(1) man page

---
 kadmin/kadmin.1 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/kadmin/kadmin.1 b/kadmin/kadmin.1
index 8b9f75e70..6765a546f 100644
--- a/kadmin/kadmin.1
+++ b/kadmin/kadmin.1
@@ -728,7 +728,13 @@ Exits
 This command has the following alias:
 .Nm quit .
 .Ed
-.\".Sh ENVIRONMENT
+.Sh ENVIRONMENT
+.Ev KADMIN_USE_GET_PRINCIPALS ,
+if set to any non-empty value then it uses a slower RPC to list
+principals when talking to a remote
+.Nm kadmind
+server.
+This is useful when the server is an older version of Heimdal.
 .\".Sh FILES
 .\".Sh EXAMPLES
 .\".Sh DIAGNOSTICS