From e01450defe936369a4cccc5c7151e5beba0f380b Mon Sep 17 00:00:00 2001
From: Jorge Luis Martinez Gomez <jol@jol.dev>
Date: Thu, 24 Sep 2020 23:54:08 -0700
Subject: [PATCH] mention why labels from define_combinator are important

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 5a51af4..6b1c689 100644
--- a/README.md
+++ b/README.md
@@ -177,6 +177,9 @@ between(lit("<"), lit(">"), lit("foo")).label
 #=> 'between(lit("<"), lit(">"), lit("foo"))'
 ```
 
+Having labels that resemble the source code is helpful for [the error
+messages](#expectationfailed).
+
 If we use `def` instead of `define_combinator`, then the label would be
 that of its definition. In the following case, it would be that assigned by
 `<`.