Fix typos in README

Author: bafu

README.md

@@ -1,6 +1,6 @@
 # Nit
 
-Nit is git for web3 digital asset and helps user to commit an asset's activities (chronicle) to blockchain. Please note, this repository is for nit open-source tools. If you are looking for accessing nit via API services, please visit [here](https://docs.numbersprotocol.io/developers/commit-asset-history/commit-via-api) for more details.
+Nit is git for web3 digital assets and helps users to commit an asset's activities (chronicle) to blockchain. Please note, this repository is for nit open-source tools. If you are looking for accessing nit via API services, please visit [here](https://docs.numbersprotocol.io/developers/commit-asset-history/commit-via-api) for more details.
 
 ## Why Nit
 
@@ -13,9 +13,9 @@ Case study
 
 ## Commit & Asset Tree
 
-nit adopt similar design as git. 
+nit adopts a similar design to git.
 
-* When there is an update to the asset, such as updating creator information or updating content itself to create a child asset, there should be a new commit attach the asset itself.
+* When there is an update to the asset, such as updating creator information or updating content itself to create a child asset, there should be a new commit attached to the asset itself.
 
 * Every asset has a Tree file in IPFS to describe the property of the asset, including creator, creation time, license, etc. The asset tree CID is included in the on-chain message. Here is the example of the [asset tree](https://bafkreigbl7262jgwykk6ce47gbzvh4udr3rtzkpgd3b465664gzxma6zfi.ipfs.dweb.link/).