Fix readme

Author: Pavle Predic

README.md

@@ -7,11 +7,11 @@ Docker image containing [squizlabss/PHP_CodeSniffer](https://github.com/squizlab
 ### Scan all php files in current directory (using PSR2 standard and ignoring vendor dependencies)
 
 ```
-docker run --rm -v $(pwd):/mnt/ --workdir=/mnt  talentrydev/phpcs phpcs --standard=PSR2 --extensions=php --ignore=*/vendor/* .
+docker run --rm -v $(pwd):/mnt/ --workdir=/mnt talentrydev/phpcs phpcs --standard=PSR2 --extensions=php --ignore=*/vendor/* .
 ```
 
 ### Scan only files staged by git (also using PSR2 standard)
 
 ```
-docker run --rm -v $(pwd):/mnt/ --workdir=/mnt  talentrydev/phpcs phpcs --standard=PSR2 --extensions=php .
+docker run --rm -v $(pwd):/mnt/ --workdir=/mnt talentrydev/phpcs phpcs --standard=PSR2 --extensions=php --filter=GitStaged .
 ```