From 049fc6ba8c9e837b765c904373dd65f57ab04c27 Mon Sep 17 00:00:00 2001
From: TakWolf <takwolf@foxmail.com>
Date: Thu, 14 Mar 2024 11:28:56 +0800
Subject: [PATCH] Fix docs: hhea.Descender should be negative for descent below
 the baseline

Refer to: https://glyphsapp.com/learn/vertical-metrics
hheaDescender: the depth of the descenders in units (negative value)
---
 docs/OpenTypeFeatureFileSpecification.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/OpenTypeFeatureFileSpecification.md b/docs/OpenTypeFeatureFileSpecification.md
index ff5fd5b0a..7c5ef38e3 100644
--- a/docs/OpenTypeFeatureFileSpecification.md
+++ b/docs/OpenTypeFeatureFileSpecification.md
@@ -3350,7 +3350,7 @@ For example:
 table hhea {
     CaretOffset -50;
     Ascender 800;
-    Descender 200;
+    Descender -200; # Note that Descender is negative for descent below the baseline.
     LineGap 200;
 } hhea;
 ```