feat: address comments 📝

Author: bricss

API.md

@@ -119,7 +119,7 @@ Available values:
 
 Default value: `false`.
 
-Enables built-in support of `zstd` compression algorithm (node `>=22.15.0`).  
+Enables built-in support of `zstd` compression algorithm (node: `>=22.15.0`).  
 Zstd compression is experimental (see [node Zstd documentation](https://nodejs.org/api/zlib.html#zlibcreatezstdcompressoptions)).
 
 Available values:

lib/compression.js

@@ -127,6 +127,12 @@ exports = module.exports = internals.Compression = class {
 
     enableBrotliCompression(compressionOptions) {
 
+        const defaults = {
+            params: {
+                [Zlib.constants.BROTLI_PARAM_QUALITY]: 4
+            }
+        };
+        compressionOptions = Hoek.applyToDefaults(defaults, compressionOptions);
         this.decoders.br = (options) => Zlib.createBrotliDecompress({ ...options, ...compressionOptions });
         this.encoders.br = (options) => Zlib.createBrotliCompress({ ...options, ...compressionOptions });
         this.setPriority(['br']);