docs: Fix Typos in docs (#7963)

Author: joeybright53

apps/portal/src/app/typescript/v5/extensions/examples/transfering-tokens/page.mdx

@@ -1,4 +1,4 @@
-# Transfering (sending) tokens using thirdweb extensions
+# Transferring (sending) tokens using thirdweb extensions
 
 ## ERC721
 ```typescript

apps/portal/src/app/typescript/v5/extensions/use/page.mdx

@@ -58,7 +58,7 @@ const transactionResult = await sendTransaction({
 
 ### Example: `transfer()` extension for ERC20 tokens
 
-This extension conveniently handles unit conversion when transfering ERC20 tokens. You can pass the amount in tokens, the extension will convert it to the right unit before calling the contract.
+This extension conveniently handles unit conversion when Transferring ERC20 tokens. You can pass the amount in tokens, the extension will convert it to the right unit before calling the contract.
 
 ```typescript
 import { getContract, sendTransaction } from "thirdweb";

apps/portal/src/app/typescript/v5/migrate/page.mdx

@@ -72,7 +72,7 @@ sendTx(transaction);
 
 As you can see, by pairing the contract extensions with `useReadContract` (for read) and `useSendTransaction` (for write),
 we are able to greatly reduce the amount of code that is packaged & shipped to the end users. Plus, with this approach we can dedicate more time
-to building contract extensions. The SDK v5 currenty supports over hundreds of extensions, with some popular protocols like Uniswap, Farcaster, Lens & more to come.
+to building contract extensions. The SDK v5 currently supports over hundreds of extensions, with some popular protocols like Uniswap, Farcaster, Lens & more to come.
 
 View a list of [supported extensions](/typescript/v5/extensions/built-in) here, or [build your own](/typescript/v5/extensions/create)!