taskwarrior/scripts/hooks/on-add.the

#!/usr/bin/env bash

read new_task

if (echo $new_task | grep -qE '[tT]eh');
then
  new_task=$(echo $new_task | sed -r 's/([tT])eh/\1he/g')
  echo "Auto-corrected 'teh' --> 'the'"
fi

echo $new_task
exit 0