fix #issues463 8.2章 输出代码翻译错误

Author: hasban12138

book/08-customizing-git/sections/attributes.asc

@@ -336,9 +336,9 @@ Last commit date: Tue Apr 21 08:38:48 2009 -0700 by Scott Chacon
 $ echo '$Format:Last commit: %h by %aN at %cd%n%+w(76,6,9)%B$' > LAST_COMMIT
 $ git commit -am 'export-subst uses git log'\''s custom formatter
 
-git archive 直接使用 git log 的 `pretty=format:`
-处理器，并在输出中移除两侧的 `$Format:` 和 `$`
-标记。
+git archive uses git log'\''s `pretty=format:` processor
+directly, and strips the surrounding `$Format:` and `$`
+markup from the output.
 '
 $ git archive @ | tar xfO - LAST_COMMIT
 Last commit: 312ccc8 by Jim Hill at Fri May 8 09:14:04 2015 -0700