Fix Comments and provide proper english

src/ts/AbstractInstaller.ts

@@ -92,7 +92,7 @@ export default abstract class Installer
     }
 
     /**
-     * Specify event that will be called after downloading will begin
+     * Specify event that will be called after download has begun
      * 
      * @param callback
      */
@@ -105,7 +105,7 @@ export default abstract class Installer
     }
 
     /**
-     * Specify event that will be called after unpacking will begin
+     * Specify event that will be called after extraction has begun
      * 
      * @param callback
      */
@@ -118,7 +118,7 @@ export default abstract class Installer
     }
 
     /**
-     * Specify event that will be called every [this.downloadProgressInterval] ms during downloading
+     * Specify event that will be called every [this.downloadProgressInterval] ms while downloading
      * 
      * @param callback
      */
@@ -128,7 +128,7 @@ export default abstract class Installer
     }
 
     /**
-     * Specify event that will be called every [this.unpackProgressInterval] ms during unpacking
+     * Specify event that will be called every [this.unpackProgressInterval] ms while extracting
      * 
      * @param callback
      */
@@ -138,7 +138,7 @@ export default abstract class Installer
     }
 
     /**
-     * Specify event that will be called after downloading will be finished
+     * Specify event that will be called after download has finished
      * 
      * @param callback
      */
@@ -151,7 +151,7 @@ export default abstract class Installer
     }
 
     /**
-     * Specify event that will be called after unpacking will be finished
+     * Specify event that will be called after extraction has finished
      * 
      * @param callback
      */

src/ts/Archive.ts

@@ -109,7 +109,7 @@ class Stream
     }
 
     /**
-     * Specify event that will be called when the unpacking will be started
+     * Specify event that will be called when the extraction has started
      * 
      * @param callback
      */
@@ -122,7 +122,7 @@ class Stream
     }
 
     /**
-     * Specify event that will be called every [this.progressInterval] ms during archive unpacking
+     * Specify event that will be called every [this.progressInterval] ms while extracting the archive
      * 
      * @param callback
      */
@@ -132,7 +132,7 @@ class Stream
     }
 
     /**
-     * Specify event that will be called after the archive will be unpacked
+     * Specify event that will be called after the archive has been extracted
      * 
      * @param callback
      */
@@ -145,7 +145,7 @@ class Stream
     }
 
     /**
-     * Specify event that will be called if archive can't be unpacked
+     * Specify event that will be called if archive can't be extracted
      * 
      * @param callback
      */

src/ts/Configs.ts

@@ -13,7 +13,7 @@ export default class Configs
      * Get config value
      * 
      * @param name config name, e.g. "lang.launcher"
-     * @returns undefined if config is not exists. Otherwise - config value
+     * @returns undefined if config doesn't exist. Otherwise - config value
      */
     public static get(name: string = ''): Promise<undefined|scalar|scalar[]>
     {
@@ -38,7 +38,7 @@ export default class Configs
      * 
      * @param name config name, e.g. "lang.launcher"
      * @param value config value, e.g. "en-us"
-     * @returns Promise<void> indicates when the settings was updated
+     * @returns Promise<void> indicates if the settings were updated
      */
     public static set(name: string, value: scalar|scalar[]): Promise<void>
     {
@@ -68,7 +68,7 @@ export default class Configs
      * Set default values
      * 
      * @param configs object of default values
-     * @returns Promise<void> indicates when the default settings was applied
+     * @returns Promise<void> indicates if the default settings were applied
      */
     public static defaults(configs: scalar): Promise<void>
     {
@@ -76,7 +76,7 @@ export default class Configs
             const setDefaults = async (current: scalar) => {
                 const updateDefaults = (current: scalar, defaults: scalar) => {
                     Object.keys(defaults).forEach((key) => {
-                        // If the field exists in defaults and don't exists in current
+                        // If the field exists in defaults and doesn't exist in current
                         if (current[key] === undefined)
                             current[key] = defaults[key];
 

src/ts/DXVK.ts

@@ -50,13 +50,13 @@ export default class DXVK
      * Download DXVK to the [Constants.paths.dxvks] directory
      * 
      * @param dxvk DXVK object or version
-     * @returns null if the DXVK with specified version is not exists. Otherwise - installation stream
+     * @returns null if the DXVK with specified version dosen't exist. Otherwise - installation stream
      */
     public static download(dxvk: TDXVK|TDXVK['version']): Promise<null|Stream>
     {
         return new Promise(async (resolve) => {
-            // If we provided dxvk property as a version of the DXVK
-            // then we should find this DXVK and call this method from it
+            // If we provided dxvk parameter with a version of DXVK
+            // then we should find this DXVK version and call this method for it
             if (typeof dxvk == 'string')
             {
                 let foundDXVK = null;

src/ts/Downloader.ts

@@ -59,7 +59,7 @@ class Stream
     }
 
     /**
-     * Specify event that will be called when the downloading will be started
+     * Specify event that will be called when the download gets started
      * 
      * @param callback
      */
@@ -72,7 +72,7 @@ class Stream
     }
 
     /**
-     * Specify event that will be called every [this.progressInterval] ms during the file downloading
+     * Specify event that will be called every [this.progressInterval] ms while the file is downloading
      * 
      * @param callback
      */
@@ -82,7 +82,7 @@ class Stream
     }
 
     /**
-     * Specify event that will be called after the file will be downloaded
+     * Specify event that will be called after the file is downloaded
      * 
      * @param callback
      */

src/ts/Runners.ts

@@ -62,13 +62,13 @@ class Runners
      * Download runner to the [Constants.paths.runners] directory
      * 
      * @param runner runner object or name
-     * @returns null if the runner with specified name is not exists. Otherwise - installation stream
+     * @returns null if the runner with specified name dosen't exist. Otherwise - installation stream
      */
     public static download(runner: Runner|Runner['name']): Promise<null|Stream>
     {
         return new Promise(async (resolve) => {
-            // If we provided runner property as a name of the runner
-            // then we should find this runner and call this method from it
+            // If we provided runner parameter with a name of a runner
+            // then we should find this runner and call this method for it
             if (typeof runner == 'string')
             {
                 let foundRunner = null;