comment updates (#123)

packages/contracts/contracts/optimistic-ethereum/OVM/chain/OVM_StateCommitmentChain.sol

@@ -425,7 +425,7 @@ contract OVM_StateCommitmentChain is iOVM_StateCommitmentChain, iRingBufferOverw
     }
 
     /**
-     * Removes a batch from the chain.
+     * Removes a batch and all subsequent batches from the chain.
      * @param _batchHeader Header of the batch to remove.
      */
     function _deleteBatch(

packages/contracts/contracts/optimistic-ethereum/OVM/execution/OVM_ExecutionManager.sol

@@ -287,7 +287,7 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager, Lib_AddressResolver {
 
     /**
      * @notice Specifies from which L1 rollup queue this transaction originated from.
-     * @return _queueOrigin Address of the CALLER within the current message context.
+     * @return _queueOrigin Address of the ovmL1QUEUEORIGIN within the current message context.
      */
     function ovmL1QUEUEORIGIN()
         override
@@ -726,7 +726,7 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager, Lib_AddressResolver {
     /**
      * @notice Overrides EXTCODEHASH.
      * @param _contract Address of the contract to query the hash of.
-     * @return _EXTCODEHASH Size of the requested contract in bytes.
+     * @return _EXTCODEHASH Hash of the requested contract.
      */
     function ovmEXTCODEHASH(
         address _contract

packages/contracts/contracts/optimistic-ethereum/libraries/codec/Lib_OVMCodec.sol

@@ -310,7 +310,7 @@ library Lib_OVMCodec {
         bytes[] memory raw = new bytes[](4);
 
         // Unfortunately we can't create this array outright because
-        // RLPWriter.encodeList will reject fixed-size arrays. Assigning
+        // Lib_RLPWriter.writeList will reject fixed-size arrays. Assigning
         // index-by-index circumvents this issue.
         raw[0] = Lib_RLPWriter.writeUint(_account.nonce);
         raw[1] = Lib_RLPWriter.writeUint(_account.balance);