Reword docs (#176)

* Reword documentation;

* Wrap lines at 80 characters in the documentation.

* Wrap CONTRIBUTING.md too;

* Tweaks to CONTRIBUTING.md wording;

* Move development section to CONTRIBUTING.md;

* Explain database creation in CONTRIBUTING.md;

1 files changed, 15 insertions, 8 deletions

diff --git a/FAQ.md b/FAQ.md
index 7e2b3339c..06c86ce10 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -2,25 +2,31 @@
 
 ## If nobody watches a video, is it seeded?
 
-Yes, the origin server always seeds videos uploaded on it through [Webseed](http://www.bittorrent.org/beps/bep_0019.html).
+Yes, the origin server always seeds videos uploaded on it thanks to
+[Webseed](http://www.bittorrent.org/beps/bep_0019.html).
 
 
 ## What is WebSeed?
 
-It is a BitTorrent extension that allow a server to seed a file through HTTP. It just need to serve statically a file, and then the clients will request chunks with a Content-Range HTTP header.
+It is a BitTorrent extension that allows a server to seed a file through HTTP.
+It just needs to statically serve a file, then the clients will request chunks
+with a `Content-Range` HTTP header.
 
 
-## If a client requests each chunk of a video through HTTP, the server be overloaded!
+## If a client requests each chunk of a video through HTTP, will the server be overloaded?
 
-Not really. Reverse proxies like Nginx handle very well requests of static files. In my tests it can send chunks at 10MB/s without consuming more than 5% of CPU on a very small VPS.
+Not really. Reverse proxies like Nginx handle very well requests of static
+files. In my tests, it can send chunks at 10MB/s without consuming more than 5%
+of CPU on a very small VPS.
 
 
-## An index of all videos of servers you follow won't be too large for small servers?
+## Will an index of all the videos of servers you follow be too large for small servers?
 
-No, 1000000 videos will represent around 2GB on PostgreSQL. It is acceptable for a video platform.
+In our benchmarks, 1,000,000 videos takes around 2GB of storage on PostgreSQL.
+We think it is acceptable for a video platform.
 
 
-## What kind of videos can I upload?
+## What codecs can I use for the videos I want to upload?
 
 WEBM, MP4 or OGV videos.
 
@@ -29,4 +35,5 @@ WEBM, MP4 or OGV videos.
 
 If you already have followers, you can't.
 
-If you don't: update your configuration and run `NODE_ENV=production npm run update-host` to update the torrent files.
+If you don't have any followers, update your configuration and run
+`NODE_ENV=production npm run update-host` to update the torrent files.