docs: small update to correct typos (#535)

Author: melissahenderson

src/content/docs/developers/about-receiving.mdx

@@ -9,7 +9,7 @@ Receiving Web Monetization payments requires you to have an account with a compa
 
 Your digital wallet provider will supply you with the financial account you’ll use to receive payments. Withdrawing your funds typically requires you to link a card or bank account to your wallet.
 
-Since wallet providers are financial entities, they're regulated within the countries they operate. One regulation, known as Know Your Customer (KYC)), requires financial entities to collect your personal information and verify your identity before allowing you to open an account.
+Since wallet providers are financial entities, they're regulated within the countries they operate. One regulation, known as Know Your Customer (KYC), requires financial entities to collect your personal information and verify your identity before allowing you to open an account.
 
 ## Web Monetization-compatible digital wallets
 
@@ -55,7 +55,7 @@ In general, a micropayment is a very small payment. Each wallet provider is resp
 
 Let's say your wallet provider allows you to receive micropayments. Your provider defines a micropayment as any payment under $0.05 <abbr title="US dollars">USD</abbr>. This means you could, for example, receive a payment of one US cent--as long as the sender's wallet provider allows them to send that amount.
 
-Your wallet provider may also have business rules set up such that micropayments accumulate on your account but aren't deposited until you reach a threshold amount.
+Your wallet provider could also have business rules set up such that micropayments accumulate on your account but aren't deposited until you reach a threshold amount.
 
 Web Monetization can even support payments of a fraction of a cent, but sending and receiving fractional amounts must be supported by the respective wallet providers.
 

src/content/docs/supporters/get-started.mdx

@@ -34,7 +34,7 @@ The extension asks for permission to access your browser tabs and your data for
 
 ## Configure the extension
 
-After you install the extension, a page appears to guide you though the configuration steps.
+After you install the extension, a page appears to guide you through the configuration steps.
 
 <Steps>
   1. Get a Web Monetization-compatible [wallet](/wallets).<br/><img src='/img/docs/extension/onboarding-1.png' alt='An image of the onboarding screen showing the four steps to configure the extension' style='max-width:300px' class='img-outline'/>

src/content/docs/tutorials/remove-content.mdx

@@ -119,7 +119,7 @@ window.addEventListener('load', () => {
 })
 ```
 
-If the visitor has Web Monetization in their browser, then the `monetization` event must fire within 3 seconds (3000ms) to indicate that Web Monetization has initialized. If it doesn’t initialize by the timeout, the ad is shown to the visitor.
+If the visitor has Web Monetization in their browser, then the `monetization` event must fire within 3 seconds (3000 ms) to indicate that Web Monetization has initialized. If it doesn’t initialize by the timeout, the ad is shown to the visitor.
 
 ### Interactive example