chore: fix some typos in comments (#98)

Signed-off-by: laterlaugh <manziwenzhai@sina.cn>

Author: laterlaugh

contracts/proxy/beacon/PublicBeaconProxy.sol

@@ -8,7 +8,7 @@ import {BeaconProxy} from "@openzeppelin/contracts/proxy/beacon/BeaconProxy.sol"
  *
  * The helper BeaconProxy that can be deployed by the factories.
  *
- * Note that the external `implementation()` function is added to the contract to provide compatability with
+ * Note that the external `implementation()` function is added to the contract to provide compatibility with
  * Etherscan. This means that the implementation contract must not have such a function declared.
  */
 contract PublicBeaconProxy is BeaconProxy {

test/diamond/DiamondERC721.test.ts

@@ -136,7 +136,7 @@ describe("DiamondERC721 and InitializableStorage", () => {
         await expect(erc721.mint(OWNER.address, 1)).to.be.revertedWith("ERC721: token already minted");
       });
 
-      it("should not mint token if the reciever is a contract and doesn't implement onERC721Received correctly", async () => {
+      it("should not mint token if the receiver is a contract and doesn't implement onERC721Received correctly", async () => {
         const contract1 = await (await ethers.getContractFactory("DiamondERC721Mock")).deploy();
 
         await expect(erc721.mint(await contract1.getAddress(), 1)).to.be.revertedWith(
@@ -265,7 +265,7 @@ describe("DiamondERC721 and InitializableStorage", () => {
         );
       });
 
-      it("should not transfer token if the reciever is a contract and doesn't implement onERC721Received", async () => {
+      it("should not transfer token if the receiver is a contract and doesn't implement onERC721Received", async () => {
         await erc721.mint(OWNER.address, 1);
 
         const contract = await (await ethers.getContractFactory("DiamondERC721Mock")).deploy();

test/libs/data-structures/SparseMerkleTree.test.ts

@@ -273,7 +273,7 @@ describe("SparseMerkleTree", () => {
       expect(await merkleTree.getUintNodesCount()).to.equal(6);
     });
 
-    it("should not remove non-existant leaves", async () => {
+    it("should not remove non-existent leaves", async () => {
       const keys = [7n, 1n, 5n];
 
       for (let key of keys) {
@@ -319,7 +319,7 @@ describe("SparseMerkleTree", () => {
       }
     });
 
-    it("should not update non-existant leaves", async () => {
+    it("should not update non-existent leaves", async () => {
       const keys = [7n, 1n, 5n];
 
       for (let key of keys) {