chore: typo corrections (#1309)

* Update Transmuter.sol

* Update UsageAndStates.md

Author: vtjl10

defi/Alchemix/contracts/Transmuter.sol

@@ -136,7 +136,7 @@ contract Transmuter is Context {
         uint256 _toDistribute = 0;
         uint256 _buffer = buffer;
 
-        // check if there is something in bufffer
+        // check if there is something in buffer
         if (_buffer > 0) {
             // NOTE: if last deposit was updated in the same block as the current call
             // then the below logic gates will fail
@@ -236,7 +236,7 @@ contract Transmuter is Context {
     }
     /// @dev Converts the staked alTokens to the base tokens in amount of the sum of pendingdivs and tokensInBucket
     ///
-    /// once the alToken has been converted, it is burned, and the base token becomes realisedTokens which can be recieved using claim()    
+    /// once the alToken has been converted, it is burned, and the base token becomes realisedTokens which can be received using claim()    
     ///
     /// reverts if there are no pendingdivs or tokensInBucket
     function transmute() public runPhasedDistribution() updateAccount(msg.sender) {

defi/Uniswap-V3/InterfaceGuide/UsageAndStates.md

@@ -157,7 +157,7 @@ mintV3: {
 #### 已有流动性池子
 
 - 如果已经有流动性，此时 `LiquidityChartRangeInput` 组件会渲染出当前处于激活状态的头寸分步图
-  - `usePoolActiveLiquidity` 首先根据当前交易价格筛选出 Pool 中所有处于激活状态的 poistion
+  - `usePoolActiveLiquidity` 首先根据当前交易价格筛选出 Pool 中所有处于激活状态的 position
   - 遍历计算每个 tick 上的处于激活状态的流动性总和 `liquidityActive`
   - 生成每个 tick 上的活跃流动性的数量，计算逻辑 [参见下方 :point_down:](#computeLiquidityActive)
 - 此时如果有流动性数据，会自动计算出一个合适的价格区间