I was doing this challenge and noticed that there wasn't a space after "transform:scale(2)" in the description which is inconsistent with the other challenges so I changed it to "transform: scale(2)"
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* added note about UpperCamelCase for ES6 classes
proposed note in issue #17864
* added note as a new heading
changed from note as a sentence to note as a heading plus the actual note
* added <code> around SpaceShuttle
* removed markdown and added <strong> tag