doc: fix typo in zlib.md

PR-URL: #32901
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Zeyu Yang <himself65@outlook.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

doc/api/zlib.md

@@ -166,7 +166,7 @@ request.on('response', (response) => {
       pipeline(response, zlib.createGunzip(), output, onError);
       break;
     case 'deflate':
-      pipeline(response, zlib.createInflate(), outout, onError);
+      pipeline(response, zlib.createInflate(), output, onError);
       break;
     default:
       pipeline(response, output, onError);