fix some spelling mistakes, fix grammar

Code-Editor-Roadmap.md

@@ -15,7 +15,7 @@
 * [issue #15579](https://github.com/Microsoft/vscode/issues/15579): Regex search issue
   * seed search string only if the selection is created explicitly (i.e. not due to a find match)
 * Widget size/position
-  * [x] Make it resizeable: [#2657](https://github.com/Microsoft/vscode/issues/2657), [#2220](https://github.com/Microsoft/vscode/issues/2220)
+  * [x] Make it resize-able: [#2657](https://github.com/Microsoft/vscode/issues/2657), [#2220](https://github.com/Microsoft/vscode/issues/2220)
   * [x] Bug, Replace Box in Current File Truncated [#5861](https://github.com/Microsoft/vscode/issues/5861)
   * [x] Cover search result: [#5525](https://github.com/Microsoft/vscode/issues/5525)
 * Multiline search

Code-Organization.md

@@ -1,4 +1,4 @@
-Code consists of a layered and modular `core` that can be extended using extensions. Extensions are run in a separate process refered to as the
+Code consists of a layered and modular `core` that can be extended using extensions. Extensions are run in a separate process referred to as the
 `extension host.` Extensions are implemented by utilizing the [extension API](https://code.visualstudio.com/docs/extensions/overview).
 
 # Layers
@@ -24,7 +24,7 @@ The `core` of Code is fully implemented in [TypeScript](https://github.com/micro
 
 # Dependency Injection
 
-The code is organised around services of which most are defined in the `platform` layer. Services get to its clients via `constructor injection`. 
+The code is organized around services of which most are defined in the `platform` layer. Services get to its clients via `constructor injection`. 
 
 A service definition is two parts: (1) the interface of a service, and (2) a service identifier - the latter is required because TypeScript doesn't use nominal but structural typing. A service identifier is a decoration (as proposed for ES7) and should have the same name as the service interface. 
 

December-Pre-Release.md

@@ -4,7 +4,7 @@ A pre-release of the [December update](../issues/917) is now available on the so
 
 We love getting feedback on the pre-release and you can help us in many ways:
 - test new features as described in the [[December Test Plan]].
-- verify the bugs you have filed and that are targetting the December milestone [bug fixes](https://github.com/Microsoft/vscode/issues?q=is%3Aissue+is%3Aclosed+label%3Abug+milestone%3A%22Dec+2015%22).
+- verify the bugs you have filed and that are targeting the December milestone [bug fixes](https://github.com/Microsoft/vscode/issues?q=is%3Aissue+is%3Aclosed+label%3Abug+milestone%3A%22Dec+2015%22).
 
 ## Reporting Issues
 When reporting issues please mention in the comment that you found the issue in the `insiders` release and follow our reporting issues guidelines [[Submitting-Bugs-and-Suggestions]].

Extension-API-process.md

@@ -1,7 +1,7 @@
 Extension API Process
 =
 
-The goal of this process is to be transparent about how API is created, what phases a proposal goes through, and to know what proposals are finalised when. Still, we want to maintain flexibility in making API. 
+The goal of this process is to be transparent about how API is created, what phases a proposal goes through, and to know what proposals are finalized when. Still, we want to maintain flexibility in making API. 
 
 About Proposed API
 --

Issue-Tracking.md

@@ -64,7 +64,7 @@ During the iteration planning process we use the following sources as input:
 - Review feature requests with many reactions.
 Issues we plan to work on during an iteration are assigned to the current milestone.
 
-## Filing bugs as development team member
+## Filing bugs as a development team member
 When team members files a bug they perform steps of the inbox tracker for the issue they filed. Therefore bugs filed by the development team do not need to be triaged by the inbox tracker. 
  
 ## Verification