Remove typo and excessive explanations in the js-sdk.md

changelog/js-sdk.md

@@ -14,19 +14,3 @@ All notable changes to `zksync.js` will be documented in this file.
 ## Prior to 2020-12-10
 
 **Version 0.8.3** is released.
-
-**Version 0.6.5** is released.
-
-- Support of fast withdrawals was added. Corresponding optional field was added to the object passed to the
-  `withdrawFromSyncToEthereum` method and `getTransactionFee` now accepts `FastWithdraw` fee type.
-
-**Version 0.6.3** is released.
-
-- Bundled version for browsers added. File `dist/main.js` can be used in `<script>` html tag. It requires global
-  `ethers` object from [ethers-io/ethers.js](https://github.com/ethers-io/ethers.js/)
-- `zksync.crypto.loadZkSyncCrypto()` method is added for browser builds that loads and compiles
-  `zksync-crypto-web_bg.wasm` file. Should be called before any calls that use `zksync-crypto`.
-
-**Version 0.6.0** is released.
-
-- Upgrade ethers to ^5.0.0

changelog/rust-sdk.md

@@ -8,7 +8,7 @@ All notable changes to `zksync_rs` will be documented in this file.
 
 ### Added
 
-- Additional Unit tests.
+- Additional unit tests.
 
 ### Changed