Prompt to hide site that's naughty (5,5)

I believe the answer is:

idiot sheet

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'prompt' is the definition.
Both the definition and answer are singular nouns.
Maybe you can see a link between them that I can't see?

'to hide site that's naughty' is the wordplay.
'that's naughty' is an anagram indicator.
'to'+'hide'+'site'='tohidesite'
'tohidesite' is an anagram of 'IDIOT SHEET'.

Can you help me to learn more?

I've seen this clue in The Telegraph.

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