docs remove link to wiki page

Also some minor writing changes.

docs/tips/01-introduction.md

@@ -10,4 +10,4 @@ The React tips section provides bite-sized information that can answer lots of q
 
 ## Contributing
 
-Submit a pull request to the [React repository](https://github.com/facebook/react) following the [current tips](https://github.com/facebook/react/tree/master/docs) entries' style. If you have a recipe that needs review prior to submitting a PR you can find help in the [#reactjs channel on freenode](irc://chat.freenode.net/reactjs) or the [reactjs Google group](http://groups.google.com/group/reactjs). Also, check the [Tips Wiki](https://github.com/facebook/react/wiki/Tips-(Previously-Cookbook)) for entries in-progress and general guidelines on writing React tips.
+Submit a pull request to the [React repository](https://github.com/facebook/react) following the [current tips](https://github.com/facebook/react/tree/master/docs) entries' style. If you have a recipe that needs review prior to submitting a PR you can find help in the [#reactjs channel on freenode](irc://chat.freenode.net/reactjs) or the [reactjs Google group](http://groups.google.com/group/reactjs).

docs/tips/10-props-in-getInitialState-as-anti-pattern.md

@@ -20,7 +20,7 @@ Using props, passed down from parent, to generate state in `getInitialState` oft
 
 var MessageBox = React.createClass({
   getInitialState: function() {
-    return {nameWithQualifier: "Mr. " + this.props.name};
+    return {nameWithQualifier: 'Mr. ' + this.props.name};
   },
 
   render: function() {
@@ -38,7 +38,7 @@ Better:
 
 var MessageBox = React.createClass({
   render: function() {
-    return <div>{"Mr. " + this.props.name}</div>;
+    return <div>{'Mr. ' + this.props.name}</div>;
   }
 });
 

docs/tips/13-false-in-jsx.md

@@ -16,7 +16,7 @@ Renders as `id="false"`:
 React.renderComponent(<div id={false} />, mountNode);
 ```
 
-String "false" as input value:
+String `"false"` as input value:
 
 ```js
 /** @jsx React.DOM */