Merge pull request #95 from nhedger/chore/remove-leading-dollar

chore(docs): remove leading dollar sign

Author: WyriHaximus

README.md

@@ -588,7 +588,7 @@ The recommended way to install this library is [through Composer](https://getcom
 This will install the latest supported version:
 
 ```bash
-$ composer require react/child-process:^0.6.4
+composer require react/child-process:^0.6.4
 ```
 
 See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.
@@ -605,13 +605,13 @@ To run the test suite, you first need to clone this repo and then install all
 dependencies [through Composer](https://getcomposer.org):
 
 ```bash
-$ composer install
+composer install
 ```
 
 To run the test suite, go to the project root and run:
 
 ```bash
-$ php vendor/bin/phpunit
+vendor/bin/phpunit
 ```
 
 ## License