Simplify links to the nist metric kitchen

src/website/calculator/index.html

@@ -100,28 +100,29 @@ <h2>NIST Metric Kitchen</h2>
          <figcaption>Metric Banana Bread</figcaption>
       </figure>
       <p>
-         Get helpful cooking and baking tips from the NIST* Metric Kitchen at:<br>
+         The National Institute of Standards and Technology (NIST) website has helpful
+         cooking and baking tips plus a bunch of tasty metric recipes.
+      </p>
+      <p>
          <a href=https://www.nist.gov/pml/owm/metric-si/metric-kitchen class=external-site>
-            nist.gov/pml/owm/metric-si/metric-kitchen
+            NIST Metric Kitchen
          </a>
       </p>
       <p>
-         NIST has metric recipes for banana bread, mac and cheese, apple crisps, and more at:<br>
          <a href=https://doi.org/10.6028/NIST.SP.1290 class=external-site>
-            doi.org/10.6028/NIST.SP.1290
+            Banana Bread, Mac and Cheese, Apple Crisps, and more
          </a>
       </p>
-      <small><b>*NIST:</b> National Institute of Standards and Technology</small>
    </section>
 
    <section>
       <i data-brand=github></i>
       <h2>Open Source</h2>
       <p>
-         The <i>Recipe Converter Calculator</i> is an open source community project.&nbsp;
+         The <i>Recipe Converter Calculator</i> is an Open Source community project.&nbsp;
       </p>
       <p>
-         Data for the calculator is on GitHub at:<br>
+         Data for the calculator is on GitHub in the file:<br>
          <a href=https://github.com/center-key/think-metric/blob/main/src/website/calculator/ingredients-db.js>
             ingredients-db.js
          </a>