From c3caf4b80bbade402ba57c32090222214a9bc177 Mon Sep 17 00:00:00 2001
From: "Bryn M. Reeves" <bmr@redhat.com>
Date: Mon, 4 Jul 2016 12:49:14 +0100
Subject: [PATCH] doc: mention group histogram restrictions in dmstats.8.in

---
 man/dmstats.8.in | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/man/dmstats.8.in b/man/dmstats.8.in
index b00ef882b..def83ca0f 100644
--- a/man/dmstats.8.in
+++ b/man/dmstats.8.in
@@ -609,6 +609,9 @@ regions is given as a comma-separated list of region identifiers. A
 continuous range of identifers spanning from \fBR1\fP to \fBR2\fP may
 be expressed as '\fBR1\fP-\fBR2\fP'.
 
+Regions that have a histogram configured can be grouped: in this case
+the number of histogram bins and their bounds must match exactly.
+
 On success the group list and newly created \fBgroup_id\fP are
 printed to stdout.
 .