Fix Typos

README.md

@@ -21,16 +21,16 @@ Example contracts showcasing usage of the proposed protocols and standards
 ### CW81
 | Contract                                                         | Description                                                  |
 | ---------------------------------------------------------------- | ------------------------------------------------------------ |
-| [`cw-81-last-signature`](./contracts/cw81-last-signature/)       | Contract owner stores a exprirable signaturen and verifications happens against it |
+| [`cw-81-last-signature`](./contracts/cw81-last-signature/)       | Contract owner stores an exprirable signature and checks a queried one is equal to it |
 | [`cw-81-pubkey`](./contracts/cw81-pubkey/)                       | Using secp256k1 public key provided by contract creator and verifying using ecdsa  |
 | [`cw-81-sn-ks`](./contracts/cw81-sn-ks/)                         | SecretWasm based contract using a secp256k1 private key for signature generation and verification |
 
 ### CW82
 | Contract                                                         | Description                                                  |
 | ---------------------------------------------------------------- | ------------------------------------------------------------ |
-| [`cw82-key-account`](/contracts/cw82-key-account/)               | Signatures are verified against secp256k1 public key and all executable cosmos message must be signed by corresponding private key |
+| [`cw82-key-account`](/contracts/cw82-key-account/)               | Signatures are verified against secp256k1 public key and all executable cosmos message must be signed by a corresponding private key |
 | [`cw82-token-account`](/contracts/cw82-token-account/)           | Only an NFT owner can execute some cosmos messages. Signature are checked against the stored public key through [direct sign](https://github.com/cosmos/cosmos-sdk/blob/main/docs/architecture/adr-036-arbitrary-signature.md)    |
-| [`cw82-sn-sym`](https://github.com/MegaRockLabs/cw-extra/tree/secret-network/contracts/cw82-sn-sym)      | Secret Network specifc contract that only allow cosmos messages that were encrypted by a secret key provided to the contract by instantiator. Signatures must be coming from a separate key generated inside the contract  
+| [`cw82-sn-sym`](https://github.com/MegaRockLabs/cw-extra/tree/secret-network/contracts/cw82-sn-sym)      | Secret Network specifc contract that only allow cosmos messages that had been encrypted by a secret (symmetric) key provided to the contract by instantiator. Signatures must be coming from a separate key generated inside the contract  to be valid |
 
 
 ### CW83