CCM-9495: Update letter submit page wordng

Author: ClareJonesBJSS

frontend/src/__tests__/components/forms/SubmitTemplate/__snapshots__/SubmitLetterTemplate.test.tsx.snap

@@ -35,9 +35,6 @@ exports[`SubmitLetterTemplate component should render 1`] = `
             is formatted correctly
           </li>
         </ul>
-        <p>
-          If you need to make further changes to this template, go back and upload an updated or different letter
-        </p>
         <h2
           class="nhsuk-heading-s"
         >
@@ -67,8 +64,16 @@ exports[`SubmitLetterTemplate component should render 1`] = `
             </span>
           </h2>
           <p>
-            When you submit this template you will not be able to make further changes. If you still need to change this template after it's submitted, replace it with a new template.
+            If you need to change this template after you've submitted it:
           </p>
+          <ul>
+            <li>
+              go back and upload a new letter template
+            </li>
+            <li>
+              tell your onboarding manager which template you want to use
+            </li>
+          </ul>
         </div>
         <form
           action="/action"

frontend/src/components/forms/SubmitTemplate/SubmitLetterTemplate.tsx

@@ -19,11 +19,11 @@ export const SubmitLetterTemplate: FC<SubmitTemplatePageComponentProps> = ({
   const {
     pageHeading,
     warningCalloutLabel,
-    warningCalloutText,
+    warningCalloutChecklistIntroduction,
+    warningCalloutChecklistItems,
     submitChecklistHeading,
     submitChecklistIntroduction,
     submitChecklistItems,
-    submitChecklistParagraphs,
     goBackButtonText,
     buttonText,
     afterSubmissionHeading,
@@ -46,9 +46,6 @@ export const SubmitLetterTemplate: FC<SubmitTemplatePageComponentProps> = ({
               <li key={`submit-list-${item.slice(0, 5)}`}>{item}</li>
             ))}
           </ul>
-          {submitChecklistParagraphs.map((item) => (
-            <p key={`submit-paragraph-${item.slice(0, 5)}`}>{item}</p>
-          ))}
           <h2 className='nhsuk-heading-s'>{afterSubmissionHeading}</h2>
           {afterSubmissionText.map((item) => (
             <p key={`after-submission-paragraph-${item.slice(0, 5)}`}>{item}</p>
@@ -57,7 +54,12 @@ export const SubmitLetterTemplate: FC<SubmitTemplatePageComponentProps> = ({
             <WarningCallout.Label headingLevel='h2'>
               {warningCalloutLabel}
             </WarningCallout.Label>
-            <p>{warningCalloutText}</p>
+            <p>{warningCalloutChecklistIntroduction}</p>
+            <ul>
+              {warningCalloutChecklistItems.map((item) => (
+                <li key={`warning-callout-list-${item.slice(0, 5)}`}>{item}</li>
+              ))}
+            </ul>
           </WarningCallout>
           <NHSNotifyFormWrapper formId='submit-template-form' action={action}>
             <input