diff --git a/opengl/include/GLES/NOTICE b/opengl/include/GLES/NOTICE
new file mode 100644
index 0000000..4dc6614
--- /dev/null
+++ b/opengl/include/GLES/NOTICE
@@ -0,0 +1,2 @@
+This document is licensed under the SGI Free Software B License Version 2.0.
+For details, see http://oss.sgi.com/projects/FreeB/ .