Correct

增删

/ zēngshān / 
Strokes

Definition

add and delete

Example

As a Verb

add and delete

1
Xīnbǎnběn
新版本
de
的
wénzì
文字
lüè
略
yǒu
有
zēngshān
增删
  
。

There are some additions as well as deletions in the new edition.