Another typo in http://try-dart-lang.appspot.com/ code comments

[DartBot]

This issue was originally filed by adrian.aich...@gmail.com

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What steps will reproduce the problem?

1. Visit http://try-dart-lang.appspot.com/

What is the expected output? What do you see instead?

In addition to issue20, I spotted another typo, marked with (sic) below.

The first or second "of" can be deleted, whichever you prefer :-)

"// Here you can try out the Dart Language from the comfort of of (sic) your own"

What version of the product are you using? On what operating system?

Above URL at the time of this issue submission.

Please provide any additional information below.

[DartBot]

This comment was originally written by adrian.aichne...@gmail.com

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Above URL is AKA http://try.dartlang.org/, right?

[DartBot]

This comment was originally written by drfibonacci@google.com

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Set owner to pdr@google.com.
Added Component-Docs, Accepted labels.

[DartBot]

This comment was originally written by pdr@google.com

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Thanks for reporting this issue.

After much deliberation, I chose to delete the first "of". It will be rolled out on the next push.

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Added Fixed label.