doc: explain publicinbox.<name>.watchheader

[public-inbox.git] / Documentation / public-inbox-config.pod

diff --git a/Documentation/public-inbox-config.pod b/Documentation/public-inbox-config.pod
index 4e8ba4da2fc873f7a855d70fa46dc3e4e93c5714..8d545f7afa247339653b72ceb13183aa749fc70d 100644 (file)
--- a/Documentation/public-inbox-config.pod
+++ b/Documentation/public-inbox-config.pod
@@ -80,6 +80,9 @@ Default: none; only for L<public-inbox-watch(1)> users
        [publicinbox "test"]
                watchheader = List-Id:<test.example.com>
 
+If specified, L<public-inbox-watch(1)> will only process mail matching
+the given header.  Multiple values are not currently supported.
+
 Default: none; only for L<public-inbox-watch(1)> users
 
 =item publicinbox.<name>.nntpmirror