Update demos/bio/README

diff --git a/demos/bio/README b/demos/bio/README
index fab5789..a36bb48 100644
--- a/demos/bio/README
+++ b/demos/bio/README

@@ -1,6 +1,7 @@
 This directory contains some simple examples of the use of BIO's
 to simplify socket programming.
 
-The client-conf and client-arg include examples of how to use the SSL_CONF
-API for configuration file or command line processing.
+The client-conf, server-conf, client-arg and client-conf include examples
+of how to use the SSL_CONF API for configuration file or command line
+processing.