Update white-space line-height because css

Author: mrmrs

docs/typography/white-space/index.html

@@ -77,7 +77,7 @@ <h4 class="f4 mv0 fw6 dib mr4">white-space</h4>
       </article>
 <div class="ph3 ph5-ns pt4 pb5">
   <h2 class="f4 bold">Examples</h2>
-<p class="f4 measure">This text is formatted the same way in the source and printed three times, with the only difference being which white-space class is attached.</p>
+<p class="f5 f4-ns measure lh-copy">This text is formatted the same way in the source and printed three times, with the only difference being which white-space class is attached.</p>
   <h3 class="f5 book pt4 code">.ws-normal</h3>
   <p class="ws-normal measure">
 

src/templates/docs/white-space/index.html

@@ -50,7 +50,7 @@ <h4 class="f4 mv0 fw6 dib mr4"><%= name %></h4>
       </article>
 <div class="ph3 ph5-ns pt4 pb5">
   <h2 class="f4 bold">Examples</h2>
-<p class="f4 measure">This text is formatted the same way in the source and printed three times, with the only difference being which white-space class is attached.</p>
+<p class="f5 f4-ns measure lh-copy">This text is formatted the same way in the source and printed three times, with the only difference being which white-space class is attached.</p>
   <h3 class="f5 book pt4 code">.ws-normal</h3>
   <p class="ws-normal measure">