diff --git a/doc/rust.css b/doc/rust.css
index 7bee13c225f..0cacea099f7 100644
--- a/doc/rust.css
+++ b/doc/rust.css
@@ -90,7 +90,7 @@ table {
     padding: 0.8em;
     font-size: smaller;
 }
-/* Also for the benefit of the type table
+/* Also for the benefit of the type table */
 td {
     padding-right: 1em;
 }