Update README with ES6 Promise instructions (#231)

google-map-react · Aug 30, 2016 · 9d45cc3 · 9d45cc3
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Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -33,7 +33,7 @@ This algorithm allows you to tweak hover probability of map objects, for example
 ## Known Issues
 
 * Small icons jiggle on Firefox (I don't see this in my older 'GoogleMap' version, so I will find the problem soon)
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+* Older browsers (http://caniuse.com/#feat=promises) will need a ES6 Promise polyfill in order to work.
 
 ## Installation