diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/typography.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/typography.scss
index 77d7df619..41b62fa1d 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/typography.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/typography.scss
@@ -56,6 +56,7 @@ kbd{
 /* Help text formatters */
 
 .help-block{
+    display:inline-block;
     padding:1em;
     margin:1em 0;