Fix a bunch of typos.

wiki/src/doc/overview.mdwn

@@ -30,7 +30,7 @@ outgoing connections to the Internet are forced to go through Tor.
 Tor is free software and an open network that helps you defend against a form of
 network surveillance that threatens personal freedom and privacy, confidential
 business activities and relationships, and state security known as traffic
-analysis
+analysis.
 
 Tor protects you by bouncing your communications around a distributed network of
 relays run by volunteers all around the world: it prevents somebody watching

wiki/src/doc/warning.mdwn

@@ -40,7 +40,7 @@ Everywhere](https://www.eff.org/https-everywhere).
 
 ## It makes it clear that you are using Tor and probably Tails
 
-**Your IPS or your local network administrator** can easily check that you're
+**Your ISP or your local network administrator** can easily check that you're
 connecting to a Tor relay, and not a normal web server for example.
 
 **The destination server your are contacting through Tor** can know whether your
@@ -62,7 +62,7 @@ over a private connection, when in fact the entire conversation is controlled by
 the attacker.
 
 Quoted from [Wikipedia: Man-in-the-middle
-attack](https://secure.wikimedia.org/wikipedia/en/wiki/Man-in-the-middle_attack)
+attack](https://secure.wikimedia.org/wikipedia/en/wiki/Man-in-the-middle_attack).
 
 ![Illustration of a man-in-the-middle attack](man_in_the_middle.jpg)
 
@@ -164,11 +164,11 @@ or endorse two virtual identities that you really want to keep separate on from
 another. For example hiding your location to check your email and publishing
 anonymously a document.
 
-First, because Tor tend to reuse the same circuits, for example amongst a same
+First, because Tor tends to reuse the same circuits, for example amongst a same
 browsing session. Since the exit node of a circuit knows both the destination
 server (and possibly the content of the communication if not encrypted) and the
 address of the previous relay he received the communication from, it makes it
-easier to correlates the several browsing request as part of a same circuit and
+easier to correlate the several browsing requests as part of a same circuit and
 possibly made by a same user. If your facing a global adversary as described
 above, it might then also be in position to do this correlation.
 
@@ -184,7 +184,7 @@ the first threat, but not the second one.
 ## It doesn't make your crappy passwords stronger
 
 Tor allows you to be anonymous online and Tails to leave no trace on the
-computer your using. But again, **neither of both are magic spells for computer
+computer you're using. But again, **neither of both are magic spells for computer
 security**.
 
 If your use weak passwords they can be guessed by brute-force attacks with or

wiki/src/getting_started.mdwn

@@ -6,7 +6,7 @@ Is Tails the right tool for me?
 1. First, read the [[overview|doc/overview]] page to get a basic idea of what Tails is.
 
 2. Then read the [[warning|doc/warning]] page to understand **what Tails doesn't protect you
-against**, how you can screw up your anonimity or leave traces.
+against**, how you can screw up your anonymity or leave traces.
 
 3. If Tails is the right tool for you, go on [[downloading|download]],
 [[verifying|download#index2h1]] and [[installing|download#index3h1]] it.