diff --git a/assets/scss/custom.scss b/assets/scss/custom.scss
index 3e4e44c8..35b4e3dc 100644
--- a/assets/scss/custom.scss
+++ b/assets/scss/custom.scss
@@ -370,10 +370,6 @@ footer {
       width: 75%;
     }
 
-    .row-additional-properties {
-      font-style: italic;
-    }
-
   }
 
   pre {
diff --git a/layouts/partials/openapi/render-object-table.html b/layouts/partials/openapi/render-object-table.html
index e78dd901..5029f63c 100644
--- a/layouts/partials/openapi/render-object-table.html
+++ b/layouts/partials/openapi/render-object-table.html
@@ -103,7 +103,7 @@
    <td colspan="3">
         {{ if (and (reflect.IsMap $additionalProperties)) -}}
             {{ if (index $additionalProperties "description") -}}
-Notes on additional properties: {{ $additionalProperties.description }}
+<em>Notes on additional properties:</em> {{ $additionalProperties.description }}
             {{ end }}
             {{/* TODO: should we handle the case where additional properties are
                        permitted, but must follow an explicit schema? */}}