diff --git a/tools/distrib/mac/README.sandbox.txt b/tools/distrib/mac/README.sandbox.txt
new file mode 100644
index 000000000..8d2258d91
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+++ b/tools/distrib/mac/README.sandbox.txt
@@ -0,0 +1,14 @@
+CONTENTS
+--------
+
+Debug       Contains the Debug build of cef_sandbox.a.
+
+Release     Contains the Release build of cef_sandbox.a.
+
+
+USAGE
+-----
+
+Please visit the CEF Website for usage information.
+
+https://bitbucket.org/chromiumembedded/cef/