diff -r 000000000000 -r 6474c204b198 media/libmkv/README_MOZILLA
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/libmkv/README_MOZILLA	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+The source from this directory was copied from the libvpx/third_party/libmkv
+git repository using the update.sh script.
+
+The libvpx git repository is: http://git.chromium.org/webm/libvpx.git
+
+The git commit ID used was c5aaf923d80e9f71e0c93d7d99dc1e2f83d7acbf.