Fix keyword table

Markdown tables require a header, and we don't want one.

Fixes #17528

1 files changed, 2 insertions, 0 deletions

diff --git a/src/doc/rust.css b/src/doc/rust.css
index 22e360d2015..b615c392bd5 100644
--- a/src/doc/rust.css
+++ b/src/doc/rust.css
@@ -392,3 +392,5 @@ pre.rust { position: relative; }
         background-color: #fff !important;
     }
 }
+
+#keywords table td { border: none; }