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Update dialoghelper.rst #3842

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2 changes: 1 addition & 1 deletion components/console/helpers/dialoghelper.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -185,7 +185,7 @@ Instead, you can use the
method, which makes sure that the user can only enter a valid string
from a predefined list::

$dialog = $app->getHelperSet()->get('dialog');
$dialog = $this->getHelperSet()->get('dialog');
$colors = array('red', 'blue', 'yellow');

$color = $dialog->select(
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