From 9bc6bb6f263ebd57ba10f069b32ae4ca0cba701a Mon Sep 17 00:00:00 2001
From: Dale Seo <5466341+DaleSeo@users.noreply.github.com>
Date: Thu, 4 Dec 2025 19:58:06 -0500
Subject: [PATCH] Correct setter method description in documentation

---
 book/src/03_ticket_v1/07_setters.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/book/src/03_ticket_v1/07_setters.md b/book/src/03_ticket_v1/07_setters.md
index caaf92fcd8..dba2a33922 100644
--- a/book/src/03_ticket_v1/07_setters.md
+++ b/book/src/03_ticket_v1/07_setters.md
@@ -29,10 +29,10 @@ are respected (i.e. you can't set a `Ticket`'s title to an empty string).
 
 There are two common ways to implement setters in Rust:
 
-- Taking `self` as input.
+- Taking `mut self` as input.
 - Taking `&mut self` as input.
 
-### Taking `self` as input
+### Taking `mut self` as input
 
 The first approach looks like this: