diff --git a/contracts/staking/contracts/src/immutable/MixinStorage.sol b/contracts/staking/contracts/src/immutable/MixinStorage.sol
index 05446258b2..256e49460a 100644
--- a/contracts/staking/contracts/src/immutable/MixinStorage.sol
+++ b/contracts/staking/contracts/src/immutable/MixinStorage.sol
@@ -147,7 +147,7 @@ contract MixinStorage is
     IStructs.UnfinalizedState public unfinalizedState;
 
     /// @dev The WETH balance of this contract that is reserved for pool reward payouts.
-    uint256 _wethReservedForPoolRewards;
+    uint256 internal _wethReservedForPoolRewards;
 
     /// @dev Adds owner as an authorized address.
     constructor()
diff --git a/contracts/staking/contracts/src/staking_pools/MixinStakingPoolRewards.sol b/contracts/staking/contracts/src/staking_pools/MixinStakingPoolRewards.sol
index ab66124779..4d66736b28 100644
--- a/contracts/staking/contracts/src/staking_pools/MixinStakingPoolRewards.sol
+++ b/contracts/staking/contracts/src/staking_pools/MixinStakingPoolRewards.sol
@@ -200,7 +200,7 @@ contract MixinStakingPoolRewards is
 
         if (membersReward > 0) {
             // Increment the balance of the pool
-            _incrementPoolRewards(poolId, membersReward);
+            _increasePoolRewards(poolId, membersReward);
 
             // Fetch the last epoch at which we stored an entry for this pool;
             // this is the most up-to-date cumulative rewards for this pool.
@@ -293,7 +293,7 @@ contract MixinStakingPoolRewards is
         }
 
         // Decrement the balance of the pool
-        _decrementPoolRewards(poolId, balance);
+        _decreasePoolRewards(poolId, balance);
 
         // Withdraw the member's WETH balance
         _getWethContract().transfer(member, balance);
@@ -428,20 +428,20 @@ contract MixinStakingPoolRewards is
         }
     }
 
-    /// @dev Increments rewards for a pool.
+    /// @dev Increases rewards for a pool.
     /// @param poolId Unique id of pool.
     /// @param amount Amount to increment rewards by.
-    function _incrementPoolRewards(bytes32 poolId, uint256 amount)
+    function _increasePoolRewards(bytes32 poolId, uint256 amount)
         private
     {
         rewardsByPoolId[poolId] = rewardsByPoolId[poolId].safeAdd(amount);
         _wethReservedForPoolRewards = _wethReservedForPoolRewards.safeAdd(amount);
     }
 
-    /// @dev Decrements rewards for a pool.
+    /// @dev Decreases rewards for a pool.
     /// @param poolId Unique id of pool.
     /// @param amount Amount to decrement rewards by.
-    function _decrementPoolRewards(bytes32 poolId, uint256 amount)
+    function _decreasePoolRewards(bytes32 poolId, uint256 amount)
         private
     {
         rewardsByPoolId[poolId] = rewardsByPoolId[poolId].safeSub(amount);