Fix document

Author: 38elements

doc/api/core/operators/and.md

@@ -54,4 +54,4 @@ NuGet Packages:
 - [`RxJS-JoinPatterns`](http://www.nuget.org/packages/RxJS-JoinPatterns)
 
 Unit Tests:
-- [/tests/observable/and.js](https://github.com/Reactive-Extensions/RxJS/blob/master/tests/observable/and.js)
+- [/tests/observable/when.js](https://github.com/Reactive-Extensions/RxJS/blob/master/tests/observable/when.js)

doc/libraries/rx.joinpatterns.md

@@ -30,4 +30,4 @@ NuGet Dependencies:
 - [`and`](../api/core/operators/and.md)
 
 ### `Pattern Instance Methods`
-- [`then`](../api/core/operators/thendo.md)
+- [`thenDo`](../api/core/operators/thendo.md)

src/core/linq/observable/thendo.js

@@ -1,7 +1,7 @@
   /**
    *  Matches when the observable sequence has an available value and projects the value.
    *
-   *  @param selector Selector that will be invoked for values in the source sequence.
+   *  @param {Function} selector Selector that will be invoked for values in the source sequence.
    *  @returns {Plan} Plan that produces the projected values, to be fed (with other plans) to the when operator.
    */
   observableProto.thenDo = function (selector) {