Crossword Genius

Earnest Monsieur sided with management (7-6)

Ross

I believe the answer is:

serious-minded

I'm a little stuck... Click here to teach me more about this clue!

'earnest' is the definition.
(I've seen this in another clue)

'monsieur sided with management' is the wordplay.
'monsieur sided' anagrams to 'SERIOUS-MINDED'.
Though, I am not clear how the anagram is indicated.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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