diff --git a/readme.md b/readme.md
index 4c614e8..475e008 100644
--- a/readme.md
+++ b/readme.md
@@ -37,7 +37,7 @@ var imgs = document.getElementsByName('imgView');
 var args = {
     'selectMode': 101, //101=picker image and video , 100=image , 102=video
     'maxSelectCount': 40, //default 40 (Optional)
-    'maxSelectSize': 188743680, //188743680=180M (Optional)
+    'maxSelectSize': 188743680, //188743680=180M (Optional) only android
 };
 
 document.getElementById('openBtn').onclick = function() {