diff --git a/contracts/README.md b/contracts/README.md
index 2d6f3608..132df35d 100644
--- a/contracts/README.md
+++ b/contracts/README.md
@@ -9,7 +9,7 @@ This package contains the smart contracts that compose the on-chain component.
 | Name                                                                               | Proxy Type                                                              | Description                                                                                      |
 | ---------------------------------------------------------------------------------- | ----------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ |
 | [`L1CrossDomainMessenger`](../../specs/messengers.md)                              | [`ResolvedDelegateProxy`](./contracts/legacy/ResolvedDelegateProxy.sol) | High-level interface for sending messages to and receiving messages from M                       |
-| [`L1StandardBridge`](../../specs/bridges.md)                                       | [`L1ChugSplashProxy`](./contracts/legacy/L1ChugSplashProxy.sol)         | Standardized system for transfering ERC20 tokens to/from Mo r p h                                |
+| [`L1StandardBridge`](../../specs/bridges.md)                                       | [`L1ChugSplashProxy`](./contracts/legacy/L1ChugSplashProxy.sol)         | Standardized system for transferring ERC20 tokens to/from Mo r p h                                |
 | [`Rollup`](../../specs/proposals.md#rollup.sol)                                    | [`Proxy`](./contracts/universal/Proxy.sol)                              | Stores commitments to the state of Morph which can be used by contracts on L1 to access L2 state |
 | [`MorphPortal`](../../specs/deposits.md#deposit-contract)                          | [`Proxy`](./contracts/universal/Proxy.sol)                              | Low-level message passing interface                                                              |
 | [`MorphMintableERC20Factory`](../../specs/predeploys.md#morphmintableerc20factory) | [`Proxy`](./contracts/universal/Proxy.sol)                              | Deploys standard `MorphMintableERC20` tokens that are compatible with either `StandardBridge`    |
diff --git a/contracts/contracts/libraries/usdc/FiatTokenV2_2.sol.flatten b/contracts/contracts/libraries/usdc/FiatTokenV2_2.sol.flatten
index 9f8d3d41..0481d833 100644
--- a/contracts/contracts/libraries/usdc/FiatTokenV2_2.sol.flatten
+++ b/contracts/contracts/libraries/usdc/FiatTokenV2_2.sol.flatten
@@ -420,7 +420,7 @@ library SafeMath {
     }
 
     /**
-     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
+     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
      *
      * _Available since v3.4._
      */
diff --git a/contracts/contracts/libraries/usdc/MasterMinter.sol.flatten b/contracts/contracts/libraries/usdc/MasterMinter.sol.flatten
index 94eb3dc2..8f29dbdb 100644
--- a/contracts/contracts/libraries/usdc/MasterMinter.sol.flatten
+++ b/contracts/contracts/libraries/usdc/MasterMinter.sol.flatten
@@ -155,7 +155,7 @@ library SafeMath {
     }
 
     /**
-     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
+     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
      *
      * _Available since v3.4._
      */