Description Field or Place Holder

I would like the description or a place older to show in the control where Some Text showes in the designer. The form is actually blank. I thought placeholder would do this but it does not. I am using a sharepoint form.

//use fd.rendered(function() { for Plumsail Forms instead
fd.spRendered(function() {

function setplaceholderComplete() {

// Calling setPercentComplete on form loading


Dear Jennifer,
What type of field or control are you trying to use? Not all fields have a placeholder, but we can definitely look into it for you.

I tried both Number and single line of text. It looks like no sharepoint field control has that option.

Dear Jennifer,
I see! Please, try the following code: