improve format

Author: oldratlee

docs/java.md

@@ -321,7 +321,7 @@ class paths to find:
 
 ### 贡献者
 
-[tgic](https://github.com/tg123)提供此脚本。友情贡献者的链接[commandlinefu.cn](http://commandlinefu.cn/)|[微博linux命令行精选](http://weibo.com/u/2674868673)
+[tgic](https://github.com/tg123)提供此脚本。友情贡献者的链接 [commandlinefu.cn](http://commandlinefu.cn/) | [微博linux命令行精选](http://weibo.com/u/2674868673)
 
 <a id="find-in-jarssh"></a>
 :beer: [find-in-jars](../find-in-jars)

find-in-jars

@@ -22,10 +22,10 @@ Find file in the jar files under specified directory(recursive, include subdirec
 The pattern default is *extended* regex.
 
 Example:
-    ${PROG} 'log4j\.properties'
-    ${PROG} '^log4j(\.properties|\.xml)$' # search file log4j.properties/log4j.xml at zip root
-    ${PROG} 'log4j\.properties$' -d /path/to/find/directory
-    ${PROG} 'log4j\.properties' -d /path/to/find/dir1 -d /path/to/find/dir2
+  ${PROG} 'log4j\.properties'
+  ${PROG} '^log4j(\.properties|\.xml)$' # search file log4j.properties/log4j.xml at zip root
+  ${PROG} 'log4j\.properties$' -d /path/to/find/directory
+  ${PROG} 'log4j\.properties' -d /path/to/find/dir1 -d /path/to/find/dir2
 
 Options:
   -d, --dir              the directory that find jar files, default is current directory.