Fix: hero alt images has now more text (50chars instead of 10)

src/themes/oscar/layouts/index.html

@@ -7,7 +7,7 @@
         {{ if .Params.image }}
         <div class="hero-img" >
             <img src="heros/{{ .Params.image }}"
-                alt="{{ .Content | plainify | htmlUnescape | truncate 10 }}" />
+                alt="{{ .Content | plainify | htmlUnescape | truncate 50 }}" />
         </div>
         <h2 class="hero-title">{{ .Content }}</h2>
         {{ end }}