diff --git a/lms/lms/web_template/multiple_testimonials/multiple_testimonials.html b/lms/lms/web_template/multiple_testimonials/multiple_testimonials.html
index 0a1093ff..d8424fc9 100644
--- a/lms/lms/web_template/multiple_testimonials/multiple_testimonials.html
+++ b/lms/lms/web_template/multiple_testimonials/multiple_testimonials.html
@@ -17,7 +17,7 @@
             {{ widgets.Avatar(member=member, avatar_class="avatar-small") }}
           </div>
           <div class="ml-3">
-            <div class="testimonial-author_name" >{{ member.full_name }}</div>
+            <div class="testimonial-author-name" >{{ member.full_name }}</div>
             {% if member.headline %}<div class="testimonial-profession">{{ member.headline }}</div> {% endif %}
           </div>
         </div>
diff --git a/lms/public/css/style.css b/lms/public/css/style.css
index 75e89347..9a7660be 100644
--- a/lms/public/css/style.css
+++ b/lms/public/css/style.css
@@ -975,7 +975,7 @@ pre {
   height: 100%;
 }
 
-.testimonial-author_name {
+.testimonial-author-name {
   font-weight: 500;
   font-size: var(--text-lg);
   color: var(--text-color);