doc: explain publicinbox.<name>.watchheader

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

diff --git a/Documentation/public-inbox-watch.pod b/Documentation/public-inbox-watch.pod
index 3f282f0f1bbdc1310ebee9788ab8be5138eb6056..198c170a6951c94d5bf18e24109a13818d3dd9c7 100644 (file)
--- a/Documentation/public-inbox-watch.pod
+++ b/Documentation/public-inbox-watch.pod
@@ -15,7 +15,11 @@ In ~/.public-inbox/config:
                mainrepo = /path/to/test.example.com.git
 
                ; config keys specific to public-inbox-watch:
+
                watch = maildir:/path/to/maildirs/.INBOX.test/
+
+               ; optional, emails that don't have a header matching
+               ; value will be skipped
                watchheader = List-Id:<test.example.com>
 
        [publicinboxwatch]