Fix minor typos in providers comments

src.ts/providers/abstract-signer.ts

@@ -1,6 +1,6 @@
 /**
  *  Generally the [[Wallet]] and [[JsonRpcSigner]] and their sub-classes
- *  are sufficent for most developers, but this is provided to
+ *  are sufficient for most developers, but this is provided to
  *  fascilitate more complex Signers.
  *
  *  @_section: api/providers/abstract-signer: Subclassing Signer [abstract-signer]
@@ -267,7 +267,7 @@ export abstract class AbstractSigner<P extends null | Provider = null | Provider
 }
 
 /**
- *  A **VoidSigner** is a class deisgned to allow an address to be used
+ *  A **VoidSigner** is a class designed to allow an address to be used
  *  in any API which accepts a Signer, but for which there are no
  *  credentials available to perform any actual signing.
  *

src.ts/providers/formatting.ts

@@ -234,7 +234,7 @@ export interface TransactionReceiptParams {
     logs: ReadonlyArray<LogParams>;
 
     /**
-     *  The amount of gas consumed executing this transaciton.
+     *  The amount of gas consumed executing this transaction.
      */
     gasUsed: bigint;