autofs-5.0.5 - plus map includes are only allowed in file sources

From: Ian Kent <raven@themaw.net>

auto.master(5) doesn't say that plus map includes are only allowed
in file map sources.

Signed-off-by: Ian Kent <raven@themaw.net>
---
 CHANGELOG            |    1 +
 man/auto.master.5.in |    5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 2da66e81..e5114d50 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -12,6 +12,7 @@ xx/xx/2019 autofs-5.1.6
 - fix macro expansion in selector values.
 - fix typing errors.
 - Explain /etc/auto.master.d usage.
+- plus map includes are only allowed in file sources.
 
 30/10/2018 autofs-5.1.5
 - fix flag file permission.
diff --git a/man/auto.master.5.in b/man/auto.master.5.in
index b99b3b8e..061ee396 100644
--- a/man/auto.master.5.in
+++ b/man/auto.master.5.in
@@ -63,8 +63,9 @@ present in the master map by including a line of the form:
 and 
 .BR automount (8)
 will process the map according to the specification described below for
-map entries. Indirect map entries must be unique in the master map so
-second and subsequent entries for an indirect mount point are ignored by
+map entries. Plus map inclusion is only permitted in file map sources.
+Indirect map entries must be unique in the master map so second and
+subsequent entries for an indirect mount point are ignored by
 .BR automount (8).
 .TP
 .B NOTE: