Merge pull request laravel#3480 from svpernova09/feature/homestead-clarification

📚 Clarifying multi php versions on apache and older versions of php

Author: taylorotwell

homestead.md

@@ -338,6 +338,8 @@ After running the command, you will see an Ngrok screen appear which contains th
 <a name="multiple-php-versions"></a>
 ### Multiple PHP Versions
 
+> {note} This feature is only compatible with Nginx.
+
 Homestead 6 introduced support for multiple versions of PHP on the same virtual machine. You may specify which version of PHP to use for a given site within your `Homestead.yaml` file. The available PHP versions are: "5.6", "7.0", and "7.1":
 
     sites:
@@ -389,6 +391,8 @@ If you have installed Homestead via your project's `composer.json` file, you sho
 <a name="old-versions"></a>
 ## Old Versions
 
+> {tip} If you need an older version of PHP check the documentation on <a href="#multiple-php-versions">multiple PHP versions</a> before attempting to use an old version of Homestead. 
+
 You can easily override the version of the box that Homestead uses by adding the following line to your `Homestead.yaml` file:
 
     version: 0.6.0