diff --git a/docs/next/improvingux.html b/docs/next/improvingux.html
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--- a/docs/next/improvingux.html
+++ b/docs/next/improvingux.html
@@ -18,7 +18,7 @@
 </ul>
 <hr>
 <h2><a class="anchor" aria-hidden="true" name="configure-text-inputs"></a><a href="#configure-text-inputs" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Configure text inputs</h2>
-<p>Entering text on touch phone is a challange - small screen, software keyboard. But based on what kind of data you need, you can make it easier by properly configuring the text inputs:</p>
+<p>Entering text on touch phone is a challenge - small screen, software keyboard. But based on what kind of data you need, you can make it easier by properly configuring the text inputs:</p>
 <ul>
 <li>Focus the first field automatically</li>
 <li>Use placeholder text as an example of expected data format</li>