Update README.md

zengxinzhy · web-flow · commit e2668a6a3fa3 · 2017-03-07T19:12:03.000+08:00
diff --git a/README.md b/README.md
@@ -123,3 +123,6 @@ To try these examples, and find out about more options please take a look at the
 
 ## License
 The MIT license
+
+## Terms of use
+By using TinyCrayon SDK, you agree to keep the banner ad embedded in TCMaskView fully viewable and clickable to the customers.
