docs: fix grammar issues (#111)

As reported by Webstorm

CHANGELOG.md

@@ -315,7 +315,7 @@
 
 ### Features
 
-* command install as an alias of command add ([b0a30f3](https://github.com/openupm/openupm-cli/commit/b0a30f3cdff6249712f532f376d5980354b9e94a))
+* command "install" as an alias of command add ([b0a30f3](https://github.com/openupm/openupm-cli/commit/b0a30f3cdff6249712f532f376d5980354b9e94a))
 
 # [1.2.0](https://github.com/openupm/openupm-cli/compare/1.1.1...1.2.0) (2020-01-05)
 

README.md

@@ -4,7 +4,7 @@
 
 ![npm](https://img.shields.io/npm/v/openupm-cli) ![NPM](https://img.shields.io/npm/l/openupm-cli) ![npm](https://img.shields.io/npm/dm/openupm-cli)
 
-The command-line tool to maintain the Unity manifest file for 3rd-party upm registries, offering a similar but lighter experience like *npm* or *yarn* for NodeJS.
+The command-line tool to maintain the Unity manifest file for 3rd-party upm registries, offering a similar but lighter experience like *npm* or *yarn* for Node.js.
 
 The tool is designed to work with [the OpenUPM registry](https://openupm.com), but can also work with any upm registries, including the official Unity registry.
 
@@ -75,7 +75,7 @@ internal/modules/cjs/loader.js:818
 Error: Cannot find module 'node:net'
 ```
 
-Please install [nodejs 16 or above](https://nodejs.org/en/download/).
+Please install [Node.js 16 or above](https://nodejs.org/en/download/).
 
 ## China region
 
@@ -152,9 +152,9 @@ open deps <pkg> --deep
 
 ### Authenticate with a scoped registry
 
-Starting from Unity 2019.3.4f1, you can configure the`.upmconfig.toml` file to authenticate with a scoped registry. The `openupm login` command helps you authenticate with an npm server and store the info to the UPM config file.
+Starting from Unity 2019.3.4f1, you can configure the`.upmconfig.toml` file to authenticate with a scoped registry. The `openupm login` command helps you authenticate with a npm server and store the info to the UPM config file.
 
-There are two ways to authenticate with an npm server:
+There are two ways to authenticate with a npm server:
 - using token (recommended): a server-generated string for the grant of access and publishing rights.
 - using basic authentication: the `username:password` pair (base64 encoded) is stored to authenticate with the server on each request.
 
@@ -266,7 +266,7 @@ openupm --verbose ...
 
 ## Work with Unity official (upstream) registry
 
-Most commands can fallback to Unity upstream registry if necessary, to make it easier to mix the official registry with a 3rd-party registry. i.e.
+Most commands can fall back to Unity upstream registry if necessary, to make it easier to mix the official registry with a 3rd-party registry. i.e.
 
 ```
 $ openupm add com.unity.addressables com.littlebigfun.addressable-importer

src/utils/process.ts

@@ -16,7 +16,7 @@ export default function execute(
    */
   return new Promise(function (resolve, reject) {
     /**
-     * @param {Error} error An error triggered during the execution of the childProcess.exec command
+     * @param {Error} error An error triggered during the execution of the "childProcess.exec" command
      * @param {string|Buffer} stdout The result of the shell command execution
      * @param {string|Buffer} stderr The error resulting of the shell command execution
      * @see https://nodejs.org/api/child_process.html#child_process_child_process_exec_command_options_callback

tsconfig.build.json

@@ -42,7 +42,7 @@
     // "customConditions": [],                           /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
     // "resolveJsonModule": false,                       /* Enable importing .json files. */
     // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
-    // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
+    // "noResolve": true,                                /* Disallow 'imports, 'requires or '<reference>s from expanding the number of files TypeScript should add to a project. */
 
     /* JavaScript Support */
     // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */

tsconfig.json

@@ -43,7 +43,7 @@
     // "customConditions": [],                           /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
     "resolveJsonModule": false,                          /* Enable importing .json files. */
     // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
-    // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
+    // "noResolve": true,                                /* Disallow 'imports, 'requires or '<reference>s from expanding the number of files TypeScript should add to a project. */
 
     /* JavaScript Support */
     // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */