Merge pull request #6954 from edx/ahsan/tnl-1383-ALT-text-describes-image-not-action

ALT text describes image, not action

lms/templates/dashboard/_dashboard_course_listing.html

@@ -51,7 +51,7 @@ from student.helpers import (
     % if show_courseware_link:
       % if not is_course_blocked:
         <a href="${course_target}" class="cover">
-        <img src="${course_image_url(course)}" alt="${_('{course_number} {course_name} Cover Image').format(course_number=course.number, course_name=course.display_name_with_default) |h}" />
+        <img src="${course_image_url(course)}" alt="${_('{course_number} {course_name} Home Page').format(course_number=course.number, course_name=course.display_name_with_default) |h}" />
       </a>
         % else:
         <a class="fade-cover">