diff --git a/websocketpp/config/minimal_client.hpp b/websocketpp/config/minimal_client.hpp
index de8da74171..72528cdeec 100644
--- a/websocketpp/config/minimal_client.hpp
+++ b/websocketpp/config/minimal_client.hpp
@@ -62,7 +62,7 @@ namespace config {
  * <stdint.h> or <boost/cstdint.hpp>
  * <netinet/in.h> or <winsock2.h> (for ntohl.. could potentially bundle this)
  *
- * @since 0.4.0-alpha1
+ * @since 0.4.0-dev
  */
 typedef minimal_server minimal_client;
 
diff --git a/websocketpp/config/minimal_server.hpp b/websocketpp/config/minimal_server.hpp
index 31aceaca4d..f689da9e6e 100644
--- a/websocketpp/config/minimal_server.hpp
+++ b/websocketpp/config/minimal_server.hpp
@@ -91,7 +91,7 @@ namespace config {
  * <stdint.h> or <boost/cstdint.hpp>
  * <netinet/in.h> or <winsock2.h> (for ntohl.. could potentially bundle this)
  *
- * @since 0.4.0-alpha1
+ * @since 0.4.0-dev
  */
 struct minimal_server {
     typedef minimal_server type;