Correct

笔削

/ bǐ xiāo / 
Strokes

Example

As a Verb

make corrections and improvements on sb's writing; polish/revise sb's writing

1
Zhuō
拙
zuò
作
jì
寄
shàng
上
  
,
qǐng
请
qīn
亲
wéi
为
bǐ
笔
xiāo
削
  
。

Enclosed is a piece of my writing for correction/to be polished by you personally.