Fix MarkDown

Author: julienschmidt

README.md

@@ -165,7 +165,7 @@ To run the driver tests you may need to adjust the configuration. See [this Wiki
 Go-MySQL-Driver is not feature-complete yet. Your help is very appreciated.
 If you want to contribute, you can work on an [open issue](https://github.com/go-sql-driver/mysql/issues?state=open) or review a [pull request](https://github.com/go-sql-driver/mysql/pulls).
 
-Code changes must be proposed via a Pull Request and must be reviewed. Only *LGTM*ed (*Looks good to me*) code may be committed to the master branch. 
+Code changes must be proposed via a Pull Request and must be reviewed. Only *LGTM*-ed (" *Looks good to me* ") code may be committed to the master branch. 
 
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