chore: improve code comments clarity (#3603)

Signed-off-by: xibeiyoumian <xibeiyoumian@outlook.com>
Co-authored-by: Rodrigo Quelhas <22591718+RomarQ@users.noreply.github.com>

Author: xibeiyoumian

client/rpc-core/types/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2019-2025 PureStake Inc..
+// Copyright 2019-2025 PureStake Inc.
 // This file is part of Moonbeam.
 
 // Moonbeam is free software: you can redistribute it and/or modify

pallets/xcm-transactor/src/lib.rs

@@ -777,7 +777,7 @@ pub mod pallet {
 			Ok(())
 		}
 
-		/// Transact the call through the a signed origin in this chain
+		/// Transact the call through a signed origin in this chain
 		/// that should be converted to a transaction dispatch account in the destination chain
 		/// by any method implemented in the destination chains runtime
 		///

runtime/common/src/apis.rs

@@ -186,7 +186,7 @@ macro_rules! impl_runtime_apis_plus_common {
 							// in the storage
 							Executive::initialize_block(header);
 
-							// Apply the a subset of extrinsics: all the substrate-specific or ethereum
+							// Apply a subset of extrinsics: all the substrate-specific or ethereum
 							// transactions that preceded the requested transaction.
 							for ext in extrinsics.into_iter() {
 								let _ = match &ext.0.function {