Add FontAwesome instructions

README.md

@@ -15,6 +15,13 @@ If you've got a poster you've created, and would like to commit it here, please
 
 You are welcome to translate the posters. We want them to be available in as many languages as possible. We only ask you to make available publicly.
 
+The posters use [FontAwesome](http://fontawesome.io/). If you don't have it in your computer, you will need to:
+
+1. Download [FontAwesome](http://fontawesome.io/). There is a big "Download" button on the homepage
+2. Uncompress the downloaded .zip file. Out comes a directory called <code>font-awesome-version_number</code>
+3. Inside that directory, find the <code>fonts/fontawesome-webfont.ttf</code> file
+4. Copy that file and paste it in your system's fonts directory
+
 A suggested approach might be:
 
 1. [clone the repository](https://github.com/UKHomeOffice/posters)

TRANSLATIONS.md

@@ -3,7 +3,14 @@ We want these posters to be available in as many languages as possible. You are
 We only ask you to make available publicly.
 
 **Help**
-A possibly way to translate the posters:
+The posters use [FontAwesome](http://fontawesome.io/). If you don't have it in your computer, you will need to:
+
+1. Download [FontAwesome](http://fontawesome.io/). There is a big "Download" button on the homepage
+2. Uncompress the downloaded .zip file. Out comes a directory called <code>font-awesome-version_number</code>
+3. Inside that directory, find the <code>fonts/fontawesome-webfont.ttf</code> file
+4. Copy that file and paste it in your system's fonts directory
+
+Once you have [FontAwesome](http://fontawesome.io/), here is a possible way to translate the posters:
 
 1. [clone the repository](https://github.com/UKHomeOffice/posters)
 2. translate them