diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/formatters.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/formatters.scss
index ae4bd24f6b..084a323c83 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/formatters.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/formatters.scss
@@ -45,6 +45,7 @@
             line-height:22px;
             border-width:1px;
             font-size:14px;
+            text-indent:0.1em;
         }
     }