diff --git a/README.md b/README.md
index 78e1ec0..f6f951b 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ responsive_image:
   sizes:
     - width: 480 # How wide the resized image will be. Required
     - width: 800
-      quality: 90 # JPEG quality. Optional.
+      quality: 90 # Override JPEG quality (default is 85). Optional.
     - width: 1400
 ```