docs: document and transaction mapping updates

Author: caitlinroach4

_site/apis/submit-an-application/1.0/technical-guide/index.html

@@ -4872,7 +4872,7 @@ <h3 class="govuk-heading-s" id="transaction-and-document-types" tabindex="-1" cl
     </tr>
     <tr class="govuk-table__row">
       <td class="govuk-table__cell">T</td>
-      <td class="govuk-table__cell">TR1</td>
+      <td class="govuk-table__cell">TR1 or TR5</td>
       <td class="govuk-table__cell">Compulsory</td>
     </tr>
     <tr class="govuk-table__row">
@@ -4917,7 +4917,7 @@ <h3 class="govuk-heading-s" id="transaction-and-document-types" tabindex="-1" cl
     </tr>
     <tr class="govuk-table__row">
       <td class="govuk-table__cell">TNV</td>
-      <td class="govuk-table__cell">TR1</td>
+      <td class="govuk-table__cell">TR1 or TR5</td>
       <td class="govuk-table__cell">Compulsory</td>
     </tr>
     <tr class="govuk-table__row">
@@ -4957,7 +4957,7 @@ <h3 class="govuk-heading-s" id="transaction-and-document-types" tabindex="-1" cl
     </tr>
     <tr class="govuk-table__row">
       <td class="govuk-table__cell">TNVTP</td>
-      <td class="govuk-table__cell">TP1</td>
+      <td class="govuk-table__cell">TP1 or TR5</td>
       <td class="govuk-table__cell">Compulsory</td>
     </tr>
     <tr class="govuk-table__row">
@@ -5322,7 +5322,7 @@ <h3 class="govuk-heading-s" id="transaction-and-document-types" tabindex="-1" cl
     </tr>
     <tr class="govuk-table__row">
       <td class="govuk-table__cell">TSCTP</td>
-      <td class="govuk-table__cell">TP1</td>
+      <td class="govuk-table__cell">TP1 or TR5</td>
       <td class="govuk-table__cell">Compulsory</td>
     </tr>
     <tr class="govuk-table__row">
@@ -5342,7 +5342,7 @@ <h3 class="govuk-heading-s" id="transaction-and-document-types" tabindex="-1" cl
     </tr>
     <tr class="govuk-table__row">
       <td class="govuk-table__cell">TSCV</td>
-      <td class="govuk-table__cell">TR1</td>
+      <td class="govuk-table__cell">TR1 or TR5</td>
       <td class="govuk-table__cell">Compulsory</td>
     </tr>
     <tr class="govuk-table__row">
@@ -5382,7 +5382,7 @@ <h3 class="govuk-heading-s" id="transaction-and-document-types" tabindex="-1" cl
     </tr>
     <tr class="govuk-table__row">
       <td class="govuk-table__cell">TTP</td>
-      <td class="govuk-table__cell">TP1</td>
+      <td class="govuk-table__cell">TP1 or TR5</td>
       <td class="govuk-table__cell">Compulsory</td>
     </tr>
     <tr class="govuk-table__row">