diff --git a/contracts/libraries/BytesLib.sol b/contracts/libraries/BytesLib.sol
index 9f82009f..d505297d 100644
--- a/contracts/libraries/BytesLib.sol
+++ b/contracts/libraries/BytesLib.sol
@@ -35,7 +35,7 @@ library BytesLib {
                 // 32 bytes into its memory.
                 let cc := add(_preBytes, 0x20)
             } lt(mc, end) {
-                // Increase both counters by 32 bytes each iteration.
+                // Increase both counters by 32 bytes for each iteration.
                 mc := add(mc, 0x20)
                 cc := add(cc, 0x20)
             } {
diff --git a/contracts/lzApp/NonblockingLzApp.sol b/contracts/lzApp/NonblockingLzApp.sol
index 95f74b9e..9aae0e7d 100644
--- a/contracts/lzApp/NonblockingLzApp.sol
+++ b/contracts/lzApp/NonblockingLzApp.sol
@@ -6,8 +6,8 @@ import "./LzApp.sol";
 import "../libraries/ExcessivelySafeCall.sol";
 
 /*
- * the default LayerZero messaging behaviour is blocking, i.e. any failed message will block the channel
- * this abstract class try-catch all fail messages and store locally for future retry. hence, non-blocking
+ * the default LayerZero messaging behavior is blocking, i.e. any failed message will block the channel
+ * this abstract class try-catch all failed messages and stores them locally for future retry. hence, non-blocking
  * NOTE: if the srcAddress is not configured properly, it will still block the message pathway from (srcChainId, srcAddress)
  */
 abstract contract NonblockingLzApp is LzApp {
diff --git a/contracts/token/oft/v2/mocks/OFTStakingMockV2.sol b/contracts/token/oft/v2/mocks/OFTStakingMockV2.sol
index 1a44eb45..4a6d3238 100644
--- a/contracts/token/oft/v2/mocks/OFTStakingMockV2.sol
+++ b/contracts/token/oft/v2/mocks/OFTStakingMockV2.sol
@@ -8,7 +8,7 @@ import "../interfaces/IOFTV2.sol";
 import "../interfaces/IOFTReceiverV2.sol";
 import "../../../../libraries/BytesLib.sol";
 
-// OFTStakingMock is an example to integrate with OFT. It shows how to send OFT cross chain with a custom payload and
+// OFTStakingMock is an example of integrating with OFT. It shows how to send OFT cross chain with a custom payload and
 // call a receiver contract on the destination chain when oft is received.
 contract OFTStakingMockV2 is IOFTReceiverV2 {
     using SafeERC20 for IERC20;