Note that glitch editing environment is not IE11 friendly.

CONTRIBUTING.md

@@ -42,7 +42,7 @@ If you find an issue, please do file it on the repository. The [Polymer/polymer
 
 For issues with elements the team maintains, please file directly on the element's repository. If you're not sure if a bug stems from the element or the library, air toward filing it on the element and we'll move the issue if necessary.
 
-Please file issues using the issue template provided, filling out as many fields as possible. We love examples for addressing issues - issues with a glitch.me, Plunkr, jsFiddle, or jsBin repro will be much easier for us to work on quickly. You can start with [this glitch](https://glitch.com/edit/#!/polymer-repro?path=my-element.html:2:0) which sets up the basics to demonstrate a Polymer element and serves the source via polyserve for automatic transpilation.
+Please file issues using the issue template provided, filling out as many fields as possible. We love examples for addressing issues - issues with a glitch.me, Plunkr, jsFiddle, or jsBin repro will be much easier for us to work on quickly. You can start with [this glitch](https://glitch.com/edit/#!/polymer-repro?path=my-element.html:2:0) which sets up the basics to demonstrate a Polymer element and serves the source via polyserve for automatic transpilation (note the glitch.me editing environment is not compatible with IE11, however the live view link of the running code should work).
 
 Occasionally we'll close issues if they appear stale or are too vague - please don't take this personally! Please feel free to re-open issues we've closed if there's something we've missed and they still need to be addressed.