chore: fix some typos (#1810)

### Description

Fix four typos

### Issue Link

[_link issue here_]

### Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [x] This change requires a documentation update
- [ ] Refactor (no updates to logic)

Author: sfuhfds

Diff for: zkevm-circuits/src/evm_circuit/execution.rs

@@ -1176,7 +1176,7 @@ impl<F: Field> ExecutionConfig<F> {
                     .chain(chunk_txs.iter().flat_map(|tx| {
                         tx.steps()
                             .iter()
-                            // chunk_txs is just a super set of execstep. To filter targetting
+                            // chunk_txs is just a super set of execstep. To filter targeting
                             // execstep we need to further filter by [initial_rwc, end_rwc)
                             .filter(|step| {
                                 step.rwc.0 >= chunk.chunk_context.initial_rwc

Diff for: zkevm-circuits/src/keccak_circuit.rs

@@ -1005,7 +1005,7 @@ impl<F: Field> SubCircuit<F> for KeccakCircuit<F> {
         keccak_unusable_rows()
     }
 
-    /// The `chunk.fixed_param.keccak_padding` parmeter, when enabled, sets
+    /// The `chunk.fixed_param.keccak_padding` parameter, when enabled, sets
     /// up the circuit to support a fixed number of permutations/keccak_f's,
     /// independently of the permutations required by `inputs`.
     fn new_from_block(block: &witness::Block<F>, chunk: &Chunk<F>) -> Self {

Diff for: zkevm-circuits/src/test_util.rs

@@ -448,7 +448,7 @@ pub enum CircuitTestError {
     /// Something wrong in the block_convert
     #[error("CannotConvertBlock({0})")]
     CannotConvertBlock(String),
-    /// Something worng in the chunk_convert
+    /// Something wrong in the chunk_convert
     #[error("SanityCheckChunks({0})")]
     SanityCheckChunks(String),
     /// Problem constructing MockProver

Diff for: zkevm-circuits/src/witness/block.rs

@@ -27,7 +27,7 @@ use itertools::Itertools;
 
 // TODO: Remove fields that are duplicated in`eth_block`
 /// [`Block`] is the struct used by all circuits, which contains blockwise
-/// data for witness generation. Used with [`Chunk`] for the i-th chunck witness.
+/// data for witness generation. Used with [`Chunk`] for the i-th chunk witness.
 #[derive(Debug, Clone, Default)]
 pub struct Block<F> {
     /// The randomness for random linear combination