That file is the help documentation, not the actual running filter. If you change it there, you’ll only change what appears in the contextual help. You need to add the code to your theme functions.php or in a code snippet for it have any effect.
Note that this filter function only affects the number of items shown at the “User searches” stats page.
How many items does it show by default on the dashboard?
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This reply was modified 1 week, 5 days ago by
steve92.
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This reply was modified 1 week, 5 days ago by
steve92.