Merge pull request #1066 from alphagov/update-install-guidance

Add info about install location to install guide

docs/documentation/install/install-the-kit.md

@@ -6,13 +6,14 @@ The simplest way to get the kit is to <a href="/docs/download" data-link="downlo
 
 You'll use a new copy of the kit for each new prototype you make. That way your prototypes don’t interfere with each other.
 
+Make sure you are installing the kit on a local drive. Do not install the kit on a cloud-based drive (for example, Dropbox, Microsoft OneDrive), as this may cause permissions issues.
+
 ### Make a folder for your prototypes
 
 We recommend keeping all your prototypes in one folder called `prototypes`.
 
 Create a folder called `prototypes` in your `Documents` folder.
 
-
 ### Unzip the kit and move it
 
 Unzip the kit you downloaded - you should end up with a folder called `govuk-prototype-kit` followed by the version number.