style: fix comment

lib/filter.js

@@ -106,9 +106,9 @@ function logicSvg () {
       assetPath.on('data', (chunk) => (assetTxt += chunk))
       assetPath.on('end', () => {
         if (assetTxt.length) {
-          // gzip compress using highest level
+          // Minify using svgo
           new svgo(options).optimize(assetTxt).then(function(result) {
-              // Save the compressed file to .gz
+              // Replace the original file with the minified.
               route.set(path, result.data)
               // Logging
               let saved = ((assetTxt.length - result.data.length) / assetTxt.length * 100).toFixed(2)