Updated Web application (markdown)

Web-application.md

@@ -14,7 +14,7 @@ created by Dan Abramov is used to manage the application state. Both of these fr
 
 ### Multiplatform approach
 
-Since the runtime environment of *WebApp* is user's web browser it does not need any installation on enduser's device and does not require any particular platform or non-standard software installed on user's device.
+Since the runtime environment of *WebApp* is the user's web browser it does not need any installation on the enduser's device and does not require any particular platform or non-standard software installed on the user's device.
 This application is designed and implemented in a way which should be suitable for modern web browsers on both desktop and mobile devices.
 
 ## Architecture
@@ -75,7 +75,7 @@ The implementation of *WebApp* is split across more than a hundred small compone
 
     - There is no technical difference between *containers* and *pages*. *Pages* are used as "root" components for different pages and are registered in the app's [router](https://github.com/ReactTraining/react-router).
 
-As was mentioned earlier in the text, there is over a hundred components in the whole application and most of them are very simple. Some of the most important and widely used components and described in the following paragraphs.
+As was mentioned earlier in the text, there is over a hundred components in the whole application and most of them are very simple. Some of the most important and widely used components are described in the following paragraphs.
 
 #### App
 
@@ -125,7 +125,7 @@ A package [react-bootstrap](https://react-bootstrap.github.io/) is used. Compone
 
 ##### Box, FormBox
 
-[Box](https://github.com/ReCodEx/web-app/blob/master/src/components/AdminLTE/Box/Box.js) is a frequently used component for bounding other components like text or tables inside. It is a re-styled `Panel` component from Bootstrap. It can be collapsable and can be displayed in different colors and types. [FormBox](https://github.com/ReCodEx/web-app/blob/master/src/components/AdminLTE/FormBox/FormBox.js) is just o wrapper of `Box` adjusted for holding forms inside of the body.
+[Box](https://github.com/ReCodEx/web-app/blob/master/src/components/AdminLTE/Box/Box.js) is a frequently used component for bounding other components like text paragraphs or tables inside. It is in fact a re-styled `Panel` component from Bootstrap. It can be collapsable and can be displayed in different colors and types. [FormBox](https://github.com/ReCodEx/web-app/blob/master/src/components/AdminLTE/FormBox/FormBox.js) is just a wrapper of `Box` adjusted for holding forms inside of the body.
 
 ##### CommentThread