diff --git a/_includes/image.html b/_includes/image.html
index 2a4f8a6..25d019c 100644
--- a/_includes/image.html
+++ b/_includes/image.html
@@ -1,5 +1,5 @@
 <figure class="image">
-  <a href="{{ include.url }}"><img class="image" src="{{ include.thumbnail | default: include.url }}" alt="{{ include.description }}" /></a>
+  <a href="{{ include.url }}"><img class="image" src="{{ include.thumbnail | default: include.url }}" /></a>
 {% if include.description %}
   <figcaption><div class="imagecaption">{{ include.description }}</div></figcaption>
 {% endif %}
diff --git a/_includes/youtube.html b/_includes/youtube.html
index b18c55c..c555bb2 100644
--- a/_includes/youtube.html
+++ b/_includes/youtube.html
@@ -1,5 +1,5 @@
 <div class="image">
-  <iframe class="youtube" src="https://www.youtube-nocookie.com/embed/{{ include.video }}"><a href="https://www.youtube.com/watch?v={{ include.video }}">YouTube video</a></iframe>
+  <iframe class="youtube" src="https://www.youtube-nocookie.com/embed/{{ include.video }}"><a href="https://www.youtube.com/watch?v={{ include.video }}">[Watch YouTube video]</a></iframe>
 {% if include.description %}
   <div class="imagecaption">{{ include.description }}</div>
 {% endif %}