diff --git a/doc/langref.html.in b/doc/langref.html.in
index d11204f61..807fe7d6d 100644
--- a/doc/langref.html.in
+++ b/doc/langref.html.in
@@ -9495,6 +9495,7 @@ PrimaryTypeExpr
     <- BUILTINIDENTIFIER FnCallArguments
      / CHAR_LITERAL
      / ContainerDecl
+     / DOT IDENTIFIER
      / ErrorSetDecl
      / FLOAT
      / FnProto