Fix typo and link in Installation manual (#32972)

manual/en/installation.html

@@ -85,7 +85,7 @@ import * as THREE from 'three';
 
           <ol>
             <li>
-              Install [link:https://nodejs.org/ Node.js]. We'll need it to load manage dependencies and to run our build tool.
+              Install [link:https://nodejs.org/ Node.js]. We'll need it to manage dependencies and to run our build tool.
             </li>
             <li>
               <p>