rtbuf/rtbuf

diff --git a/configure.ac b/configure.ac
index 7085ea8..33126d8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -118,4 +118,4 @@ echo "Building status :"
 echo "  rtbuf  : $enable_rtbuf $RTBUF_LIBS"
 echo "  signal : $enable_signal $SIGNAL_LIBS"
 echo "  sndio  : $enable_sndio $SNDIO_LIBS"
-echo "  glfw   : $enable_glfw $GLFW_LIBS"
+echo "  glfw3  : $enable_glfw3 $GLFW3_LIBS"