From 8c9276c72c9082cdaa264c317b38b0e50abd29b1 Mon Sep 17 00:00:00 2001
From: qiwang067 <qiwang067@163.com>
Date: Fri, 29 Apr 2022 19:26:56 +0800
Subject: [PATCH] update

---
 docs/errata.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/errata.md b/docs/errata.md
index 4a40490..bfedba8 100644
--- a/docs/errata.md
+++ b/docs/errata.md
@@ -31,6 +31,7 @@ G_8=r_9+\gamma G_9=-1+0.6 \times(-2.176)=-2.3056 \approx-2.3
 \end{array}
 $$
 
+* 89页，图3.25的倒数第4行：如果$(s_t,a_t)$没有出现 → 如果$(s_t,a_t)$ 出现
 * 101页中间一段下面的代码和102页最上面的代码的缩进有问题，改为
 
 ```python