fixed typo in CONTRIBUTING.md (#28766)

CONTRIBUTING.md

@@ -2,11 +2,11 @@ You can report a bug, submit a new feature enhancement recommendation, or commit
 
 ## Reporting Bug
 
- - Before report a bug, please search from google to confirm you cannot find any hint on it.
- - Look [issues List](https://github.com/apache/shardingsphere/issues) to confirm this issue is not a duplicated one.
+ - Before reporting a bug, please search from google to confirm that you cannot find any hint on it.
+ - Look at the [issues List](https://github.com/apache/shardingsphere/issues) to confirm this issue is not a duplicated one.
  - [Create](https://github.com/apache/shardingsphere/issues/new) a new issue.
  - Define a clear and descriptive title for the issue.
- - If bug reported, please provide information below:
+ - If a bug is reported, please provide information below:
        - Details for reproduce bug step by step. Include SQL, configuration, expected results, actual results and tracing log.
        - ShardingSphere and your OS version.
        - Source code that reproduce the bug on GitHub, can be linked here.
@@ -18,7 +18,7 @@ You can report a bug, submit a new feature enhancement recommendation, or commit
        - Explain why this enhancement is general feature for most developers.
        - List similar features which already available in other product if possible. Both open source and commercial software are available.
  - Assign label after issue created. Label should be bug, enhancement, discussion and so on.
- - Please pay attention on the issue and provide more information during discuss.
+ - Please pay attention to the issue and provide more information during discuss.
  - Please close issue when it is resolved. If you don't close it, we will close it after 3 days。
  - If this issue has new information, please reopen it again. Please note, issue can reopen which only closed by yourself.