adding strong element, as described in accompanying article

flow/in-flow/in-flow.html

@@ -73,8 +73,8 @@
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     <h1>A heading</h1>
-    <p>One November night in the year 1782, so the story runs, two brothers sat over their winter fire in the little French town of Annonay, watching the grey smoke-wreaths from the hearth curl up the wide chimney.</p> 
-      
+    <p>One November night in the year 1782, so the story runs, two brothers sat over their winter fire in the little French town of Annonay, watching the grey smoke-wreaths from the hearth curl up the wide chimney.</p>
+
     <ul>
         <li>One</li>
         <li>Two</li>
@@ -91,14 +91,14 @@ <h1>A heading</h1>
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     <h1>A heading</h1>
-    <p>One November night in the year 1782, so the story runs, two brothers sat over their winter fire in the little French town of Annonay, watching the grey smoke-wreaths from the hearth curl up the wide chimney.</p> 
-      
+    <p>One November night in the year 1782, so the story runs, two brothers sat over their winter fire in the little French town of Annonay, watching the grey smoke-wreaths from the hearth curl up the wide chimney.</p>
+
     <ul>
         <li>One</li>
         <li>Two</li>
         <li>Three</li>
     </ul>
-    <p>Their names were Stephen and Joseph Montgolfier, they were papermakers by trade, and were noted as possessing thoughtful minds and a deep interest in all scientific knowledge and new discovery.</p>
+    <p>Their names were <strong>Stephen and Joseph Montgolfier</strong>, they were papermakers by trade, and were noted as possessing thoughtful minds and a deep interest in all scientific knowledge and new discovery.</p>
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