From e68c01692705af24d0571629bf37ced5512c956f Mon Sep 17 00:00:00 2001
From: I-Ying-Tsai <789632145hank@gmail.com>
Date: Wed, 2 Jul 2025 15:41:42 +0800
Subject: [PATCH] Fix grammar and improve clarity in API coexistence
 explanation

The original sentence was ungrammatical and slightly unclear.
This patch improves the article usage, verb tense, and phrasing
to ensure clarity and correctness.
---
 lkmpg.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lkmpg.tex b/lkmpg.tex
index 2a8ce5a9..86db415a 100644
--- a/lkmpg.tex
+++ b/lkmpg.tex
@@ -1841,7 +1841,7 @@ \subsection{Flashing keyboard LEDs}
 \end{code}
 
 Since Linux v4.14, \cpp|timer_setup| is adopted and the kernel step by step converting to \cpp|timer_setup| from \cpp|setup_timer|.
-One of the reasons why API was changed is it need to coexist with the old version interface.
+One of the reasons why the API was changed is that it needed to coexist with the old version of the interface.
 Moreover, the \cpp|timer_setup| was implemented by \cpp|setup_timer| at first.
 \begin{code}
 void timer_setup(struct timer_list *timer,