Update README.md

Peter O'Callaghan · lenaorobei · web-flow · commit b121f954aca0 · 2019-08-16T14:46:15.000+01:00
Co-Authored-By: Lena Orobei &lt;oorobei@magento.com&gt;
diff --git a/README.md b/README.md
@@ -15,7 +15,7 @@ You can achieve this by adding the following to your project's `composer.json`:
       "([ $COMPOSER_DEV_MODE -eq 1 ] && vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/) || true"
     ],
     "post-update-cmd": [
-      "([ $COMPOSER_DEV_MODE -eq 1 ] && vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/) || true"
+      "([ $COMPOSER_DEV_MODE -eq 0 ] || vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/)"
     ]
 }
 ````

Original file line number	Diff line number	Diff line change
@@ -15,7 +15,7 @@ You can achieve this by adding the following to your project's `composer.json`:
`15`	`15`	`"([ $COMPOSER_DEV_MODE -eq 1 ] && vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/) \|\| true"`
`16`	`16`	`],`
`17`	`17`	`"post-update-cmd": [`
`18`		`- "([ $COMPOSER_DEV_MODE -eq 1 ] && vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/) \|\| true"`
	`18`	`+ "([ $COMPOSER_DEV_MODE -eq 0 ] \|\| vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/)"`
`19`	`19`	`]`
`20`	`20`	`}`
`21`	`21`	````