diff --git a/man/dkimpy-milter.8 b/man/dkimpy-milter.8
index 90c95b0..5759f1e 100644
--- a/man/dkimpy-milter.8
+++ b/man/dkimpy-milter.8
@@ -201,8 +201,9 @@ pairs as described above.
 .TP
 See
 .I dkimpy-milter.conf(5)
-information about available options.  Unlike OpenDKIM, dkimpy-milter does not
-support command line option switches.
+information about available options.  Unlike OpenDKIM, with the exception of
+\-P for the pidfile and specifying the configuration file to use,
+dkimpy-milter does not support command line option switches.
 
 When signing a message, a
 .I DKIM-Signature: