diff --git a/include/types/connection.h b/include/types/connection.h
index ddc610e..60caa4d 100644
--- a/include/types/connection.h
+++ b/include/types/connection.h
@@ -86,7 +86,7 @@
 	/* below we have all handshake flags grouped into one */
 	CO_FL_HANDSHAKE     = CO_FL_SI_SEND_PROXY | CO_FL_SSL_WAIT_HS | CO_FL_ACCEPT_PROXY,
 
-	CO_FL_INIT_SESS     = 0x00000800,  /* initialize a session before using data */
+	CO_FL_INIT_DATA     = 0x00000800,  /* initialize the data layer before using it */
 
 	/* when any of these flags is set, polling is defined by socket-layer
 	 * operations, as opposed to data-layer. Transport is explicitly not