From 974c6e81352adecebfefcd09595a98cd8267aad7 Mon Sep 17 00:00:00 2001
From: Mike Bostock <mbostock@gmail.com>
Date: Wed, 12 Oct 2022 10:06:02 -0700
Subject: [PATCH] improve unknown scheme errors

---
 src/scales/schemes.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/scales/schemes.js b/src/scales/schemes.js
index 1b364606d3..40e016731d 100644
--- a/src/scales/schemes.js
+++ b/src/scales/schemes.js
@@ -176,7 +176,7 @@ function schemeicyclical(interpolate) {
 
 export function ordinalScheme(scheme) {
   const s = `${scheme}`.toLowerCase();
-  if (!ordinalSchemes.has(s)) throw new Error(`unknown scheme: ${s}`);
+  if (!ordinalSchemes.has(s)) throw new Error(`unknown ordinal scheme: ${s}`);
   return ordinalSchemes.get(s);
 }
 
@@ -255,7 +255,7 @@ const quantitativeSchemes = new Map([
 
 export function quantitativeScheme(scheme) {
   const s = `${scheme}`.toLowerCase();
-  if (!quantitativeSchemes.has(s)) throw new Error(`unknown scheme: ${s}`);
+  if (!quantitativeSchemes.has(s)) throw new Error(`unknown quantitative scheme: ${s}`);
   return quantitativeSchemes.get(s);
 }