Extract data - minor improvement to example

changedetectionio/templates/diff.html

@@ -125,7 +125,7 @@
                     <p>
                         For example, to extract only the numbers from text &dash;</br>
                         <strong>Raw text</strong>: <code>Temperature <span style="color: red">5.5</span>°C in Sydney</code></br>
-                        <strong>RegEx to extract:</strong> <code>Temperature ([0-9\.]+)</code><br/>
+                        <strong>RegEx to extract:</strong> <code>Temperature <span style="color: red">([0-9\.]+)</span></code><br/>
                     </p>
                     <p>
                         <a href="https://RegExr.com/">Be sure to test your RegEx here.</a>