diff --git a/Documentation/Units.md b/Documentation/Units.md
index ccf273e5..77dd5976 100644
--- a/Documentation/Units.md
+++ b/Documentation/Units.md
@@ -71,7 +71,7 @@ Rx units define operations by using corresponding observable sequence operations
 The `map` operation on `Driver` is defined using the `map` operation on its observable sequence.
 
 ```swift
-let d: Driver<Int> = Drive.just(11)
+let d: Driver<Int> = Driver.just(11)
 driver.map { $0 / 0.5 } = ...
 ```
 
diff --git a/Rx.playground/Pages/Mathematical_and_Aggregate_Operators.xcplaygroundpage/Contents.swift b/Rx.playground/Pages/Mathematical_and_Aggregate_Operators.xcplaygroundpage/Contents.swift
index e3f8598f..398abac4 100644
--- a/Rx.playground/Pages/Mathematical_and_Aggregate_Operators.xcplaygroundpage/Contents.swift
+++ b/Rx.playground/Pages/Mathematical_and_Aggregate_Operators.xcplaygroundpage/Contents.swift
@@ -61,6 +61,7 @@ example("concat") {
     
     variable.value = subject2
     
+    subject2.onNext("I would be ignored")
     subject2.onNext("🐱")
     
     subject1.onCompleted()
diff --git a/RxCocoa/Common/CocoaUnits/Driver/Driver.swift b/RxCocoa/Common/CocoaUnits/Driver/Driver.swift
index d12f9393..a7227ca6 100644
--- a/RxCocoa/Common/CocoaUnits/Driver/Driver.swift
+++ b/RxCocoa/Common/CocoaUnits/Driver/Driver.swift
@@ -187,7 +187,7 @@ extension Driver where Element: SignedIntegerType {
 
 /**
  This method can be used in unit tests to ensure that driver is using mock schedulers instead of
- maind schedulers.
+ main schedulers.
 
  **This shouldn't be used in normal release builds.**
 */
diff --git a/RxExample/RxExample/Examples/GeolocationExample/GeolocationViewController.swift b/RxExample/RxExample/Examples/GeolocationExample/GeolocationViewController.swift
index 06d0189e..996aff56 100644
--- a/RxExample/RxExample/Examples/GeolocationExample/GeolocationViewController.swift
+++ b/RxExample/RxExample/Examples/GeolocationExample/GeolocationViewController.swift
@@ -48,10 +48,10 @@ class GeolocationViewController: ViewController {
         
         let geolocationService = GeolocationService.instance
 
-        geolocationService.autorized
+        geolocationService.authorized
             .drive(noGeolocationView.rx_driveAuthorization)
             .addDisposableTo(disposeBag)
-        /*
+        
         geolocationService.location
             .drive(label.rx_driveCoordinates)
             .addDisposableTo(disposeBag)
@@ -67,7 +67,6 @@ class GeolocationViewController: ViewController {
                 self?.openAppPreferences()
             }
             .addDisposableTo(disposeBag)
-        */
     }
     
     private func openAppPreferences() {
diff --git a/RxExample/RxExample/Services/GeolocationService.swift b/RxExample/RxExample/Services/GeolocationService.swift
index d94ea8e3..b807b2c9 100644
--- a/RxExample/RxExample/Services/GeolocationService.swift
+++ b/RxExample/RxExample/Services/GeolocationService.swift
@@ -16,7 +16,7 @@ import CoreLocation
 class GeolocationService {
     
     static let instance = GeolocationService()
-    private (set) var autorized: Driver<Bool>
+    private (set) var authorized: Driver<Bool>
     private (set) var location: Driver<CLLocationCoordinate2D>
     
     private let locationManager = CLLocationManager()
@@ -26,7 +26,7 @@ class GeolocationService {
         locationManager.distanceFilter = kCLDistanceFilterNone
         locationManager.desiredAccuracy = kCLLocationAccuracyBestForNavigation
         
-        autorized = Observable.deferred { [weak locationManager] in
+        authorized = Observable.deferred { [weak locationManager] in
                 let status = CLLocationManager.authorizationStatus()
                 guard let locationManager = locationManager else {
                     return Observable.just(status)
diff --git a/RxExample/RxExample/iOS/RootViewController.swift b/RxExample/RxExample/iOS/RootViewController.swift
index ecfc20e9..283975c6 100644
--- a/RxExample/RxExample/iOS/RootViewController.swift
+++ b/RxExample/RxExample/iOS/RootViewController.swift
@@ -23,7 +23,7 @@ public class RootViewController : UITableViewController {
         DefaultWireframe.sharedInstance
         MainScheduler.instance
         let geoService = GeolocationService.instance
-        geoService.autorized.driveNext { _ in
+        geoService.authorized.driveNext { _ in
 
         }.dispose()
         geoService.location.driveNext { _ in