diff --git a/components/style/properties/longhand/table.mako.rs b/components/style/properties/longhand/table.mako.rs
index a83d25c7c29..36e2216ef62 100644
--- a/components/style/properties/longhand/table.mako.rs
+++ b/components/style/properties/longhand/table.mako.rs
@@ -7,4 +7,5 @@
 <% data.new_style_struct("Table", inherited=False) %>
 
 ${helpers.single_keyword("table-layout", "auto fixed",
-                         gecko_ffi_name="mLayoutStrategy", animatable=False)}
+                         gecko_ffi_name="mLayoutStrategy", animatable=False,
+                         spec="https://drafts.csswg.org/css-tables/#propdef-table-layout")}