diff --git a/README.md b/README.md
index e4010a1..7e643f2 100755
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 [![license](https://img.shields.io/github/license/miyako/4d-plugin-zip)](LICENSE)
 ![downloads](https://img.shields.io/github/downloads/miyako/4d-plugin-zip/total)
 
+**Note**: for v17 and earlier, move `manifest.json` to `Contents`
+
 # 4d-plugin-zip
 4D plugin to zip and unzip.
 
@@ -32,16 +34,6 @@ To use on v16 or v17, move manifest.json to contents.
 
 * ANSI code page (for old Windows)
 
-### Platform
-
-| carbon | cocoa | win32 | win64 |
-|:------:|:-----:|:---------:|:---------:|
-||<img src="https://cloud.githubusercontent.com/assets/1725068/22371562/1b091f0a-e4db-11e6-8458-8653954a7cce.png" width="24" height="24" />|<img src="https://cloud.githubusercontent.com/assets/1725068/22371562/1b091f0a-e4db-11e6-8458-8653954a7cce.png" width="24" height="24" />|<img src="https://cloud.githubusercontent.com/assets/1725068/22371562/1b091f0a-e4db-11e6-8458-8653954a7cce.png" width="24" height="24" />|
-
-### Version
-
-<img width="32" height="32" src="https://user-images.githubusercontent.com/1725068/73986501-15964580-4981-11ea-9ac1-73c5cee50aae.png"> <img src="https://user-images.githubusercontent.com/1725068/73987971-db2ea780-4984-11ea-8ada-e25fb9c3cf4e.png" width="32" height="32" />
-
 ```
 success:=Zip (src;dst;pass;level;options;callback;codepage)
 ```