fix typo

Author: nicolaskruchten

_posts/plotly_js/maps/2019-08-12-plotly_js-map-index.html

@@ -19,7 +19,7 @@
 		<div class="--title">
 			<div class="--category-img"><img src="https://images.plot.ly/language-icons/api-home/js-logo.png" alt=""></div>
 			<div class="--body">
-				<h1>Plotly.js Financial Charts</h1>
+				<h1>Plotly.js Maps</h1>
 				<p>{{page.description}}</p>
 			</div>
 		</div>