chore: fix some comments to improve readability

cmd/chain-watch/main.go

@@ -214,7 +214,7 @@ func chainWatch(provider *ethrpc.Provider, monitorOptions ethmonitor.Options) (*
 
 	// TODO: we can implement a program, chain-watch-test
 	// which will assert ethmonitor behaviour
-	// checking the event source to ensure its correct, etc.......
+	// checking the event source to ensure it's correct, etc.......
 
 	wg.Wait()
 	// select {

cmd/ethkit/abigen.go

@@ -129,7 +129,7 @@ func (c *abigen) generateGo(artifact ethartifact.RawArtifact) error {
 	// the "bytecode" value is what we use to deploy a new contract.
 	//
 	// Whereas the "deployedBytecode" is the runtime code of the contract, and can be used to verify
-	// the contract bytecode once its been deployed. For our purposes of generating a client, we only
+	// the contract bytecode once it's been deployed. For our purposes of generating a client, we only
 	// need the constructor code, so we use the "bytecode" value.
 
 	if c.fUseV2 {

ethcoder/typed_data_json.go

@@ -141,7 +141,7 @@ func (t *TypedData) UnmarshalJSON(data []byte) error {
 		return err
 	}
 
-	// Ensure the "EIP712Domain" type is defined. In case its not defined
+	// Ensure the "EIP712Domain" type is defined. In case it's not defined
 	// we will add it to the types map
 	_, ok := raw.Types["EIP712Domain"]
 	if !ok {
@@ -165,7 +165,7 @@ func (t *TypedData) UnmarshalJSON(data []byte) error {
 
 	// Ensure primary type is defined
 	if raw.PrimaryType == "" {
-		// detect primary type if its unspecified
+		// detect primary type if it's unspecified
 		primaryType, err := typedDataDetectPrimaryType(raw.Types.Map(), raw.Message)
 		if err != nil {
 			return err

ethgas/ema.go

@@ -10,7 +10,7 @@ func NewEMA(decay float64) *EMA {
 }
 
 // EMA is a moving average with exponential decay. It doesn't have any concept of weight
-// so it will only work on homogenous (evenly spaced) time series.
+// so it will only work on homogeneous (evenly spaced) time series.
 // ema := NewEMA(0.1818)
 // avg1 = ema.Tick(price1)
 // avg2 = ema.Tick(price2)

ethmonitor/chain.go

@@ -176,7 +176,7 @@ func (c *Chain) GetBlockByNumber(blockNum uint64, event Event) *Block {
 // GetTransaction searches our canonical chain of blocks (where each block points at previous),
 // and returns the transaction. Aka, searches our chain for mined transactions. Keep in mind
 // transactions can still be reorged, but you can check the blockNumber and compare it against
-// the head to determine if its final.
+// the head to determine if it's final.
 func (c *Chain) GetTransaction(txnHash common.Hash) (*types.Transaction, Event) {
 	c.mu.Lock()
 	defer c.mu.Unlock()