doc: TypeScript: rephrase & fix typo

docs/manual/en/introduction/Typescript-setup.html

@@ -11,15 +11,15 @@
 		<h1>[name]</h1>
 
 		<p>
-			three.js is a JavaScript-based library. However, it's possible to use three.js in a TypeScript project, as the library
-			exposes [link:https://www.typescriptlang.org/docs/handbook/declaration-files/introduction.html TypeScript declaration files] (*.d.ts* files).
+			three.js is a JavaScript-based library. However, it's possible to use it in a TypeScript project, as the library
+			exposes [link:https://www.typescriptlang.org/docs/handbook/declaration-files/introduction.html Declaration Files] (*d.ts* files).
 		</p>
 
 		<p>
 			A minimal configuration is required for the TypeScript compiler to
 			discover three.js types.<br>
 			You will need to set the [link:https://www.typescriptlang.org/docs/handbook/module-resolution.html moduleResolution]
-			option to *node*, and the [link:https://www.typescriptlang.org/docs/handbook/compiler-options.html target] to *es6* or newer.
+			option to *node*, and the [link:https://www.typescriptlang.org/docs/handbook/compiler-options.html target] option to *es6* or newer.
 		</p>
 
 		<code>
@@ -39,7 +39,7 @@
 
 		<p>
 			Note: It happens that some declarations are incorrect and/or missing.
-			Contributing to Types Declaration Files is really helpful for the community, making three.js
+			Contributing to Declaration Files is really helpful for the community, making three.js
 			typings better and more accurate.
 		</p>
 	</body>