create yourself an action of the type case conversion (see FAQs /t/967/1 on how to create an action)
and then follow the FAQs on how to create an action to modify cases.
/t/967/1
Whe creating such a case-conversion-action you can specify which characters delimit words - if you leave out the ' then the ' would be treated as any other character and would not cause a case-change behind it.
Concerning your signature: shouldn't "we have lost and missed placed along the way" be "we have lost and misplaced along the way"?