Fixed grammar and 'craftyjs'

doc/contribute.md

@@ -9,8 +9,7 @@ Directory architecture :
 * lib/: contain the classes and functions used in the plugins
   * serverPlugins/: server plugins that do things general to the server, 
   properties and method are added to the server object in them
-  * playerPlugins/ : player plugins that do things for each player, 
-  properties and method are added to the player object in them
+  * playerPlugins/: player plugins that do things for each player, properties and method are added to the player object in them
   
 Structure of a server plugin:
 
@@ -50,7 +49,7 @@ Create a file in which you put an inject function like this :
 ```js
 module.exports=init;
 
-function init(craftyjs) {
+function init(flying-squid) {
   return inject;
 }
 
@@ -60,10 +59,10 @@ function inject(serv)
 }
 ```
 
-In the init function, you can use anything craftyjs provide 
+In the init function, you can use anything flying-squid provide 
 (see [index.js](https://github.com/mhsjlw/flying-squid/blob/master/index.js#L11)).
 
-In the inject function you can use everything documented in the [api.md](api.md) to add functionnalities to the serv object.
+In the inject function you can use everything documented in the [api.md](api.md) to add functionalities to the serv object.
 
 Let's say you called your module flying-horses and you published it to npm.
 
@@ -95,5 +94,4 @@ function injectPlayer(serv,player)
 ```
 
 In this document, we explained how to create a simple plugin with just one file, but you can cut your code
- in several files by having several inject function and putting them in different files, just like flying-squid does 
- for its internal plugins.
+in several files by having several inject function and putting them in different files, just like flying-squid does for its internal plugins.