Fix jump links on history of government

- link to notable people was mistyped and wasn't working
- link to online records wasn't working because linked heading didn't have an ID

app/views/histories/history.html.erb

@@ -41,7 +41,7 @@
     <div class="govuk-grid-column-one-half">
       <%= render "govuk_publishing_components/components/heading", {
         text: "Notable people",
-        id: "notable-peoples",
+        id: "notable-people",
         margin_bottom: 3,
       } %>
 
@@ -115,6 +115,7 @@
     <div class="govuk-grid-column-one-half">
       <%= render "govuk_publishing_components/components/heading", {
         text: "Documents and records",
+        id: "documents-records",
         margin_bottom: 3,
       } %>