mention sdk versions

Author: mfori

sources/platform/actors/development/actor_definition/input_schema/secret_input.md

@@ -47,7 +47,7 @@ This feature supports `string`, `object`, and `array` inputs. The available edit
 
 ## Read secret input fields
 
-When you read the Actor input through `Actor.getInput()`, the encrypted fields are automatically decrypted (starting with the [`apify` package](https://www.npmjs.com/package/apify) version 3.1.0).
+When you read the Actor input through `Actor.getInput()`, the encrypted fields are automatically decrypted. Decryption of string fields is supported since [JavaScript SDK](http://docs.apify.loc/sdk/js/) 3.1.0; support for objects and arrays was added in [JavaScript SDK](http://docs.apify.loc/sdk/js/) 3.4.2 and [Python SDK](http://docs.apify.loc/sdk/python/) 2.7.0.
 
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 ```js