diff --git a/app/static/css/style.css b/app/static/css/style.css
index b3cd66e..34652d7 100644
--- a/app/static/css/style.css
+++ b/app/static/css/style.css
@@ -130,7 +130,7 @@ video, .poster {
 .annotation.active {
     display: block;
 }
-.is-subtitle .annotation {
+.is-subtitles .annotation {
     min-height: 4em;
 }