Updates to product-page.html (#492)

Changed description from:
Record COVID-19, flu, RSV and pertussis vaccinations. 
To:
Record NHS vaccinations, including COVID-19, flu, RSV and pertussis.

Updated stats:
From 'More than 1.4 million....' to 'More than 2 million...' 
From 'Over 13,000 users' to 'Over 14,000 users'
From 'Used by 300+...' to 'Used by '600+....'

Author: Anna-Sutton

app/views/product-page.html

@@ -14,7 +14,7 @@
         <div class="nhsuk-hero__wrapper">
           <h1 class="nhsuk-heading-l nhsuk-u-margin-bottom-5">The simplest way to record vaccinations</h1>
 
-          <p>Record COVID-19, flu, RSV and pertussis vaccinations.</p>
+          <p>Record NHS vaccinations, including COVID-19, flu, RSV and pertussis.</p>
 
           <p class="nhsuk-body">Used by community pharmacies, NHS trusts and GPs.</p>
 
@@ -157,21 +157,21 @@ <h3 class="nhsuk-heading-m app-numbered-heading">
       <div class="nhsuk-grid-column-one-third">
         <div class="nhsuk-u-font-size-19 nhsuk-u-margin-top-2">
           More than<br>
-          <span class="nhsuk-u-font-size-36 nhsuk-u-font-weight-bold">1.4 million</span><br> vaccinations recorded
+          <span class="nhsuk-u-font-size-36 nhsuk-u-font-weight-bold">2 million</span><br> vaccinations recorded
         </div>
       </div>
 
       <div class="nhsuk-grid-column-one-third">
         <div class="nhsuk-u-font-size-19 nhsuk-u-margin-top-2">
           Over<br>
-          <span class="nhsuk-u-font-size-36 nhsuk-u-font-weight-bold">13,000</span><br>
+          <span class="nhsuk-u-font-size-36 nhsuk-u-font-weight-bold">14,000</span><br>
           users
         </div>
       </div>
       <div class="nhsuk-grid-column-one-third">
         <div class="nhsuk-u-font-size-19 nhsuk-u-margin-top-2">
           Used by<br>
-          <span class="nhsuk-u-font-size-36 nhsuk-u-font-weight-bold">300+</span><br>
+          <span class="nhsuk-u-font-size-36 nhsuk-u-font-weight-bold">600+</span><br>
           pharmacies and NHS trusts
 
         </div>