Fix typos in comments (#526)

* Update websocket-provider.test.ts

* Update const.ts

---------

Co-authored-by: Stanley Jones <stanley@alchemy.com>

Author: anim001k

src/util/const.ts

@@ -164,7 +164,7 @@ export const EthersNetwork = {
 
 /**
  * Mapping of network names to their corresponding Ethers Network objects. These
- * networks are not yet supported by Ethers and are listed here to be overriden
+ * networks are not yet supported by Ethers and are listed here to be overridden
  * in the provider.
  */
 export const CustomNetworks: { [key: string]: NetworkFromEthers } = {

test/unit/websocket-provider.test.ts

@@ -138,7 +138,7 @@ describe('AlchemyWebSocketProvider', () => {
     deferred: Deferred<void>
   ): void {
     for (const message of messages) {
-      // Use setImmediate to allow provder to pick up message.
+      // Use setImmediate to allow provider to pick up message.
       setImmediate(() => {
         mockServer.clients()[0].send(
           JSON.stringify({