From 8053f2119db44562df90395e1a694dd1c90299df Mon Sep 17 00:00:00 2001
From: Seth Tisue <seth@tisue.net>
Date: Tue, 21 Nov 2023 13:24:39 -0800
Subject: [PATCH] reference doc: fix incorrect syntax production

[Cherry-picked b1670dc46cd6a6661d414a1d65baf17cdd635fec]
---
 docs/_docs/reference/contextual/givens.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/_docs/reference/contextual/givens.md b/docs/_docs/reference/contextual/givens.md
index f1333bf8811f..bf018278c9fc 100644
--- a/docs/_docs/reference/contextual/givens.md
+++ b/docs/_docs/reference/contextual/givens.md
@@ -181,7 +181,7 @@ GivenDef            ::=  [GivenSig] StructuralInstance
                      |   [GivenSig] AnnotType ‘=’ Expr
                      |   [GivenSig] AnnotType
 GivenSig            ::=  [id] [DefTypeParamClause] {UsingParamClause} ‘:’
-StructuralInstance  ::=  ConstrApp {‘with’ ConstrApp} ‘with’ TemplateBody
+StructuralInstance  ::=  ConstrApp {‘with’ ConstrApp} [‘with’ TemplateBody]
 ```
 
 A given instance starts with the reserved word `given` and an optional _signature_. The signature