diff --git a/src/gallium/winsys/xlib/Makefile b/src/gallium/winsys/xlib/Makefile
index c4433309420..ec92c790685 100644
--- a/src/gallium/winsys/xlib/Makefile
+++ b/src/gallium/winsys/xlib/Makefile
@@ -1,5 +1,9 @@
 # src/gallium/winsys/xlib/Makefile
 
+# This makefile produces a "stand-alone" libGL.so which is based on
+# Xlib (no DRI HW acceleration)
+
+
 TOP = ../../../..
 include $(TOP)/configs/current