docs: fix typos and grammar in multiple files

src/pages/sylvia/basics/ibc.mdx

@@ -47,7 +47,7 @@ pub fn ibc_channel_open(
 }
 ```
 
-You can also define a trait for the IBC methods and implement it for on the contract.
+You can also define a trait for the IBC methods and implement it on the contract.
 
 ```rust {7, 10, 12-13, 21-22}, template="sylvia-empty"
 #[cfg_attr(not(feature = "library"), entry_point)]

src/pages/tutorial/cw-contract/execution.mdx

@@ -11,7 +11,7 @@ The idea of the contract will be easy - every contract admin would be eligible t
 messages:
 
 - `AddMembers` message would allow the admin to add another address to the admin's list
-- `Leave` would allow and admin to remove himself from the list
+- `Leave` would allow an admin to remove himself from the list
 
 Not too complicated. Let's get coding. Start with defining messages:
 

src/pages/tutorial/cw-contract/funds.mdx

@@ -11,9 +11,9 @@ special meaning, like being used for paying
 [staking](https://en.wikipedia.org/wiki/Proof_of_stake) for consensus algorithm, but can be just
 arbitrary assets.
 
-Native tokens are assigned to their owners but can be transferred. Everything have an address in the
-blockchain is eligible to have its native tokens. As a consequence - tokens can be assigned to smart
-contracts! Every message sent to the smart contract can have some funds sent with it. In this
+Native tokens are assigned to their owners but can be transferred. Everything that has an address in
+the blockchain is eligible to have its native tokens. As a consequence - tokens can be assigned to
+smart contracts! Every message sent to the smart contract can have some funds sent with it. In this
 chapter, we will take advantage of that and create a way to reward hard work performed by admins. We
 will create a new message - `Donate`, which will be used by anyone to donate some funds to admins,
 divided equally.

src/pages/wasmd/getting-started/cli.mdx

@@ -178,7 +178,7 @@ ALICE_ADDR=$(wasmd keys show alice -a --keyring-backend=test)
 # Retrieve the address of Bob's account
 BOB_ADDR=$(wasmd keys show bob -a --keyring-backend=test)
 
-# Define init parameters fo the contract
+# Define init parameters for the contract
 INIT="{\"verifier\":\"$ALICE_ADDR\", \"beneficiary\":\"$BOB_ADDR\"}"
 ```