fix incorrect reference to what3words.jpg

Author: tmcgee

index.html

@@ -193,7 +193,7 @@ <h2 id="what3words">What3Words</h2>
                         <p>A simple widget to send a 3 word address or lat/lng to what3words and zoom the map to the resulting location. The lat/lng and 3 word address for the location are displayed from the search result.</p>
                         <p>
                             <a href="https://github.com/tmcgee/cmv-widgets/tree/master/widgets/What3Words" target="cmv-repo-what3words">
-                                <div class="example"><img src="./images/what3words.jpg" alt="Screenshot"></div>
+                                <div class="example"><img src="./images/what3words1.jpg" alt="Screenshot"></div>
                             </a>
                         </p>
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