Fix minor typo's

ARCHITECTURE.md

@@ -319,4 +319,4 @@ time intervals to [mitigate EBUSY errors on
 windows](https://github.com/isaacs/rimraf/blob/master/rimraf.js#L20-L27).
 Also, libraries can use asynchronicity to offload work onto worker threads. By
 providing an asynchronous API, fixes and optimizations can be implemented
-transparently without breaking API compatibilty.
+transparently without breaking API compatibility.

CHANGELOG.md

@@ -1275,7 +1275,7 @@ in the output path. [#1930](https://github.com/stefanpenner/ember-cli/pull/1930)
   test. A new app is generated, depedencies resolve, and the test for
   that base app are run.  [#614](https://github.com/stefanpenner/ember-cli/pull/614)
 * [ENHANCEMENT] Use handlebars-runtime in production. [#675](https://github.com/stefanpenner/ember-cli/pull/675)
-* [BUGFIX] Do not watch `vendor/` for changes (watching vendor drammatically increases CPU usage). [#693](https://github.com/stefanpenner/ember-cli/pull/693)
+* [BUGFIX] Do not watch `vendor/` for changes (watching vendor dramatically increases CPU usage). [#693](https://github.com/stefanpenner/ember-cli/pull/693)
 * [ENHANCEMENT] Minify CSS [#688](https://github.com/stefanpenner/ember-cli/pull/688)
 * [ENHANCEMENT] Allows using app.import for things other than JS and CSS (i.e. fonts, images, json, etc). [#699](https://github.com/stefanpenner/ember-cli/pull/699)
 * [BUGFIX] Fix `ember --help` output for test and version commands. [#701](https://github.com/stefanpenner/ember-cli/pull/701)

lib/ui/index.js

@@ -8,7 +8,7 @@ var writeError       = require('./write-error');
 // Note: You should use `ui.outputStream`, `ui.inputStream` and `ui.write()`
 //       instead of `process.stdout` and `console.log`.
 //       Thus the pleasant progress indicator automatically gets
-//       interruped and doesn't mess up the output! -> Convenience :P
+//       interrupted and doesn't mess up the output! -> Convenience :P
 
 module.exports = UI;