--- a/Allura/allura/templates/widgets/project_screenshots.html
+++ b/Allura/allura/templates/widgets/project_screenshots.html
@@ -1,6 +1,6 @@
{% for ss in project.get_screenshots() %}
<div class="grid-6" style="text-align: center">
- <a href="{{project.url()}}screenshot/{{ss.filename}}"><img src="{{project.url()}}screenshot/{{ss.filename}}/thumb"></a>
+ <a href="{{project.url()}}screenshot/{{ss.filename}}"><img src="{{project.url()}}screenshot/{{ss.filename}}/thumb" alt="Screenshot thumbnail"/></a>
{% if not edit %}
<br>
{{ss.caption}}