From 31827da378624a2b2dcec3633568e877d350ccfb Mon Sep 17 00:00:00 2001
From: mgmg <101696461+qwercxzsda@users.noreply.github.com>
Date: Thu, 18 Jan 2024 14:27:38 +0900
Subject: [PATCH] Correct typo in environment-and-distribution-shift.md

'relative prevalence of diagnoses' is a singular noun.
---
 .../environment-and-distribution-shift.md                       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chapter_linear-classification/environment-and-distribution-shift.md b/chapter_linear-classification/environment-and-distribution-shift.md
index 901fabb4d9..8364696ea8 100644
--- a/chapter_linear-classification/environment-and-distribution-shift.md
+++ b/chapter_linear-classification/environment-and-distribution-shift.md
@@ -142,7 +142,7 @@ when we believe that $y$ causes $\mathbf{x}$.
 For example, we may want to predict diagnoses
 given their symptoms (or other manifestations),
 even as the relative prevalence of diagnoses
-are changing over time.
+is changing over time.
 Label shift is the appropriate assumption here
 because diseases cause symptoms.
 In some degenerate cases the label shift