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I am not sure if the sentence I wrote below is correct. Could you suggest something?

A device does this by increasing its output load until it senses that the receiving system becomes congested after which it slows down its rate.

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I couldn't find anything wrong. Emotion: smile
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Hi Kaos,

Put a comma after "congested."
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,afterwhich???
Anonymous,afterwhich???
... it senses that the receiving system becomes congested, after which it slows down its rate.

No space before punctuation, one space after, and "after which" is two words.

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