document how to use python-central

(cherry picked from commit dc45c6f8c748ed57527d1aeb286f0db571308ec2)

diff --git a/dh b/dh
index 1ec46ba937788c3efbeaf5ddf3dc23d8a0ad74d3..c546419d549fc95daaf0813ade25a611b1339edd 100755 (executable)
--- a/dh
+++ b/dh
@@ -191,6 +191,13 @@ around by passing -B to make.
        %:
                dh $@
 
+If your package is a python package, dh will use dh_pysupport by
+default. This is how to use dh_pycentral instead.
+
+       #!/usr/bin/make -f
+       %:
+               dh --with python_central
+
 =cut
 
 # Stash this away before init modifies it.