Fix typos on Readme

@@ -312,68 +312,67 @@ GetPlatform.isWeb
 Get.height
 Get.width
 
-// If you need a changeable height/width (like browser windows that can be scaled) you will need to use context.
-Get.context.width
-Get.context.height
-
-
-// Gives the context of the screen in the foreground anywhere in your code.
+// Gives the current context of navigator.
 Get.context
 
 // Gives the context of the snackbar/dialog/bottomsheet in the foreground anywhere in your code.
 Get.contextOverlay
 
+// If you need a changeable height/width (like browser windows that can be scaled) you will need to use context.
+context.width
+context.height
+
 // gives you the power to define half the screen now, a third of it and so on.
 //Useful for responsive applications.
 // param dividedBy (double) optional - default: 1
 // param reducedBy (double) optional - default: 0
-Get.context.heightTransformer()
-Get.context.widthTransformer()
+context.heightTransformer()
+context.widthTransformer()
 
 /// similar to MediaQuery.of(context).size
-Get.context.mediaQuerySize()
+context.mediaQuerySize()
 
 /// similar to MediaQuery.of(context).padding
-Get.context.mediaQueryPadding()
+context.mediaQueryPadding()
 
 /// similar to MediaQuery.of(context).viewPadding
-Get.context.mediaQueryViewPadding()
+context.mediaQueryViewPadding()
 
 /// similar to MediaQuery.of(context).viewInsets;
-Get.context.mediaQueryViewInsets()
+context.mediaQueryViewInsets()
 
 /// similar to MediaQuery.of(context).orientation;
-Get.context.orientation()
+context.orientation()
 
 /// check if device is on landscape mode
-Get.context.isLandscape()
+context.isLandscape()
 
 /// check if device is on portrait mode
-Get.context.isPortrait()
+context.isPortrait()
 
 /// similar to MediaQuery.of(context).devicePixelRatio;
-Get.context.devicePixelRatio()
+context.devicePixelRatio()
 
 /// similar to MediaQuery.of(context).textScaleFactor;
-Get.context.textScaleFactor()
+context.textScaleFactor()
 
 /// get the shortestSide from screen
-Get.context.mediaQueryShortestSide()
+context.mediaQueryShortestSide()
 
 /// True if width be larger than 800
-Get.context.showNavbar()
+context.showNavbar()
 
 /// True if the shortestSide is smaller than 600p
-Get.context.isPhone()
+context.isPhone()
 
 /// True if the shortestSide is largest than 600p
-Get.context.isSmallTablet()
+context.isSmallTablet()
 
 /// True if the shortestSide is largest than 720p
-Get.context.isLargeTablet()
+context.isLargeTablet()
 
 /// True if the current device is Tablet
-Get.context.isTablet()
+context.isTablet()
 ```
 
 ### Optional Global Settings and Manual configurations
@@ -428,7 +427,7 @@ Get.config(
 | MapX     | `RxMax`    |
 | ListX    | `RxList`   |
 | NumX     | `RxNum`    |
-| RxDouble | `RxDouble` |
+| DoubleX  | `RxDouble` |
 
 RxController and GetBuilder now have merged, you no longer need to memorize which controller you want to use, just use GetxController, it will work for simple state management and for reactive as well.