docs: various minor grammatical changes (#6284)

* Update README.md
* Update setting-up.md
* Update plug-points.md
* Update plugin-api.md
* Update configuration.md
* Update deep-linking.md
* Update installation.md


Co-authored-by: Tim Lai <timothy.lai@gmail.com>

README.md

@@ -15,7 +15,7 @@
 **🕰️ Looking for the older version of Swagger UI?** Refer to the [*2.x* branch](https://github.com/swagger-api/swagger-ui/tree/2.x).
 
 
-This repository publishes to three different NPM modules:
+This repository publishes three different NPM modules:
 
 * [swagger-ui](https://www.npmjs.com/package/swagger-ui) is a traditional npm module intended for use in single-page applications that are capable of resolving dependencies (via Webpack, Browserify, etc).
 * [swagger-ui-dist](https://www.npmjs.com/package/swagger-ui-dist) is a dependency-free module that includes everything you need to serve Swagger UI in a server-side project, or a single-page application that can't resolve npm module dependencies.

docs/customization/plug-points.md

@@ -6,7 +6,7 @@ Often, it is beneficial to override the core internals to achieve custom behavio
 
 ### Note: Semantic Versioning
 
-Swagger UI's internal APIs are _not_ part of our public contract, which means that they can change without the major version changing.
+Swagger UI's internal APIs are _not_ part of our public contract, which means that they can change without the major version change.
 
 If your custom plugins wrap, extend, override, or consume any internal core APIs, we recommend specifying a specific minor version of Swagger UI to use in your application, because they will _not_ change between patch versions.
 

docs/customization/plugin-api.md

@@ -4,7 +4,7 @@ A plugin is a function that returns an object - more specifically, the object ma
 
 ### Note: Semantic Versioning 
 
-Swagger UI's internal APIs are _not_ part of our public contract, which means that they can change without the major version changing.
+Swagger UI's internal APIs are _not_ part of our public contract, which means that they can change without the major version change.
 
 If your custom plugins wrap, extend, override, or consume any internal core APIs, we recommend specifying a specific minor version of Swagger UI to use in your application, because they will _not_ change between patch versions.
 
@@ -104,7 +104,7 @@ For more information about the concept of actions in Redux, see the [Redux Actio
 
 #### Reducers
 
-Reducers take a state (which is an [Immutable.js map](https://facebook.github.io/immutable-js/docs/#/Map)) and an action, and return a new state.
+Reducers take a state (which is an [Immutable.js map](https://facebook.github.io/immutable-js/docs/#/Map)) and an action, then returns a new state.
 
 Reducers must be provided to the system under the name of the action type that they handle, in this case, `EXAMPLE_SET_FAV_COLOR`.
 
@@ -130,7 +130,7 @@ const MyReducerPlugin = function(system) {
 
 Selectors reach into their namespace's state to retrieve or derive data from the state.
 
-They're an easy way to keep logic in one place, and is preferred over passing state data directly into components.
+They're an easy way to keep logic in one place, and are preferred over passing state data directly into components.
 
 
 ```javascript

docs/development/setting-up.md

@@ -7,7 +7,7 @@ Swagger UI includes a development server that provides hot module reloading and
 - git, any version
 - NPM 6.x
 
-Generally, we recommend following guidelines from [Node.js Releases](https://nodejs.org/en/about/releases/) to only use Active LTS or Maintenance LTS releases.
+Generally, we recommend the following guidelines from [Node.js Releases](https://nodejs.org/en/about/releases/) to only use Active LTS or Maintenance LTS releases.
 
 Current Node.js Active LTS:
 - Node.js 12.x

docs/usage/deep-linking.md

@@ -9,7 +9,7 @@ Swagger UI allows you to deeply link into tags and operations within a spec. Whe
 When you expand a tag or operation, Swagger UI will automatically update its URL fragment with a deep link to the item.
 Conversely, when you collapse a tag or operation, Swagger UI will clear the URL fragment.
 
-You can also right-click a tag name or operation path in order to copy a link to that tag or operation.
+You can also right-click a tag name or operation path to copy a link to that tag or operation.
 
 #### Fragment format
 
@@ -19,7 +19,7 @@ The fragment is formatted in one of two ways:
 - `#/{tagName}/{operationId}`, to trigger the focus of a specific operation within a tag
 
 `operationId` is the explicit operationId provided in the spec, if one exists.
-Otherwise, Swagger UI generates an implicit operationId by combining the operation's path and method, and escaping non-alphanumeric characters.
+Otherwise, Swagger UI generates an implicit operationId by combining the operation's path and method, while escaping non-alphanumeric characters.
 
 ## FAQ
 

docs/usage/installation.md

@@ -10,7 +10,7 @@ We publish two modules to npm: **`swagger-ui`** and **`swagger-ui-dist`**.
 
 ```javascript
 import SwaggerUI from 'swagger-ui'
-// or use require, if you prefer
+// or use require if you prefer
 const SwaggerUI = require('swagger-ui')
 
 SwaggerUI({
@@ -25,7 +25,7 @@ In contrast, **`swagger-ui-dist`** is meant for server-side projects that need a
 _Note: we suggest using `swagger-ui` when your tooling makes it possible, as `swagger-ui-dist`
 will result in more code going across the wire._
 
-The module's contents mirrors the `dist` folder you see in the Git repository. The most useful file is `swagger-ui-bundle.js`, which is a build of Swagger UI that includes all the code it needs to run in one file. The folder also has an `index.html` asset, to make it easy to serve Swagger UI like so:
+The module's contents mirror the `dist` folder you see in the Git repository. The most useful file is `swagger-ui-bundle.js`, which is a build of Swagger UI that includes all the code it needs to run in one file. The folder also has an `index.html` asset, to make it easy to serve Swagger UI like so:
 
 ```javascript
 const express = require('express')