chore: fix some typos in comment

cl-proxy/cl-proxy.go

@@ -107,7 +107,7 @@ func (s *ClProxy) handleRequest(w http.ResponseWriter, r *http.Request) {
 	// block building requests (this is, remove 'params' field from FCU and omit get payload).
 	// There are two reasons for this:
 	// - The secondary builder does not use the Engine API to build blocks but the relayer so these requests are not necessary.
-	// - The CL->EL setup is not configured anyway to handle two block builders throught the Engine API.
+	// - The CL->EL setup is not configured anyway to handle two block builders through the Engine API.
 	// Note that we still have to relay this request to the primary EL node since we need
 	// to have a fallback node in the CL.
 	var jsonRPCRequest jsonrpcMessage

main.go

@@ -760,7 +760,7 @@ type serviceManager struct {
 
 	wg sync.WaitGroup
 
-	// channel for the handles to nofify when they are shutting down
+	// channel for the handles to notify when they are shutting down
 	closeCh chan struct{}
 }