diff --git a/lib/metadata/policies.js b/lib/metadata/policies.js
index 32979ce..af1fec1 100644
--- a/lib/metadata/policies.js
+++ b/lib/metadata/policies.js
@@ -865,10 +865,10 @@ var policies = {
     "imageOptimization": {
         "tool": "weightChecker",
         "label": "Image optimization",
-        "message": "<p>This metric mesures the number of bytes that could be saved by optimizing images.</p><p>Image optimization is generally one of the easiest way to reduce a page weight, and as a result, the page load time. Don't use Photoshop or other image editing tools, they're not very good for optimization. Use specialized tools such as <a href=\"https://kraken.io/\" target=\"_blank\">Kraken.io</a> or the excellent <a href=\"https://imageoptim.com/\" target=\"_blank\">ImageOption</a> on Mac. For SVG images, you can use <a href=\"https://jakearchibald.github.io/svgomg/\" target=\"_blank\">SVGOMG</a></p><p>The tools in use in YellowLabTools are not set to their maximum optimization power, so you might be able to compress even more.</p>",
+        "message": "<p>This metric mesures the number of bytes that could be saved by optimizing images.</p><p>Image optimization is generally one of the easiest way to reduce a page weight, and as a result, the page load time. Don't use Photoshop or other image editing tools, they're not very good for optimization. Use specialized tools such as <a href=\"https://kraken.io/\" target=\"_blank\">Kraken.io</a> or the excellent <a href=\"https://imageoptim.com/\" target=\"_blank\">ImageOption</a> on Mac. For SVG images, you can use <a href=\"https://jakearchibald.github.io/svgomg/\" target=\"_blank\">SVGOMG</a></p><p>The tools in use in YellowLabTools are not set to their maximum optimization power, so you might be able to compress even more!</p>",
         "isOkThreshold": 30720,
         "isBadThreshold": 122880,
-        "isAbnormalThreshold": 204800,
+        "isAbnormalThreshold": 409600,
         "hasOffenders": true,
         "unit": 'bytes'
     },