Update example_info.html

added some text

Signed-off-by: meihDS <70775251+meihDS@users.noreply.github.com>

Author: meihDS

app/templates/example_info.html

@@ -22,9 +22,11 @@ <h4>{{ title }}</h4>
 {% endif %}
 
 {% if example["LinkToHowTo"] | length > 0%}
-    <p><a target='_blank' href="{{ example['LinkToHowTo'][0]['Path'] }}">{{ example['LinkToHowTo'][0]['PathName'] }}</a></p>
+    <p>
+        Prerequisite: See <a target='_blank' href="{{ example['LinkToHowTo'][0]['Path'] }}">{{ example['LinkToHowTo'][0]['PathName'] }}</a>.
+    </p>
 {% endif %}
 
 <p>
     View source file <a target="_blank" href="{{ source_url | safe }}">{{ source_file }}</a> on GitHub.
-</p>
+</p>