Update README.md

README.md

@@ -8,10 +8,10 @@ Vega-Lite provides a higher-level grammar for visual analysis, akin to ggplot or
 
 You can find more details, documentation, and tutorials on the [Vega-Lite website](https://vega.github.io/vega-lite/).
 
-Try using Vega-Lite in the online [Vega Editor](http://vega.github.io/vega-editor/?mode=vega-lite).
+Try using Vega-Lite in the online [Vega Editor](https://vega.github.io/vega-editor/?mode=vega-lite).
 
 Contributions are also welcome. Please see [CONTRIBUTING.md](CONTRIBUTING.md) for contribution and development guidelines.
 
 ## Team
 
-The development of Vega-Lite is led by [Kanit "Ham" Wongsuphasawat](https://twitter.com/kanitw), [Dominik Moritz](https://twitter.com/domoritz), and [Jeffrey Heer](https://twitter.com/jeffrey_heer) of the [University Washington Interactive Data Lab](http://idl.cs.washington.edu), with significant help from [Arvind Satyanarayan](https://twitter.com/arvindsatya1). Please see the [contributors page](https://github.com/vega/vega-lite/graphs/contributors) for the full list of contributors.
+The development of Vega-Lite is led by [Kanit "Ham" Wongsuphasawat](https://twitter.com/kanitw), [Dominik Moritz](https://twitter.com/domoritz), and [Jeffrey Heer](https://twitter.com/jeffrey_heer) of the [University Washington Interactive Data Lab](https://idl.cs.washington.edu), with significant help from [Arvind Satyanarayan](https://twitter.com/arvindsatya1). Please see the [contributors page](https://github.com/vega/vega-lite/graphs/contributors) for the full list of contributors.