Update Readme add chmod +x instruction. (hechoendrupal#2967)

Author: jmolivas

README.md

@@ -71,15 +71,15 @@ composer update drupal/console --with-dependencies
 
 ## Install Drupal Console Launcher
 ```
-# Run this in your terminal to get the latest version:
 curl https://drupalconsole.com/installer -L -o drupal.phar
-
-# Or if you don't have curl:
-php -r "readfile('https://drupalconsole.com/installer');" > drupal.phar
-
-# Accessing from anywhere on your system:
 mv drupal.phar /usr/local/bin/drupal
+chmod +x /usr/local/bin/drupal
+```
+NOTE: If you don't have curl you can try
 ```
+php -r "readfile('https://drupalconsole.com/installer');" > drupal.phar
+```
+
 
 ## Update DrupalConsole Launcher 
 ```