diff --git a/website/assets/styles/pages/handbook/basic-handbook.less b/website/assets/styles/pages/handbook/basic-handbook.less
index 1409469fee..3867d4d68c 100644
--- a/website/assets/styles/pages/handbook/basic-handbook.less
+++ b/website/assets/styles/pages/handbook/basic-handbook.less
@@ -401,6 +401,9 @@
       td {
         border: 1px solid @border-lt-gray;
         padding: 8px 7px 7px 8px;
+        sub {
+          font-size: 14px;
+        }
       }
     }
     blockquote {