docs: spelling corrections in docs (#176)

apps/docs/pages/quickstart/signup.mdx

@@ -11,9 +11,9 @@ import DashboardSignupPage from './images/signup-page.webp';
 Signing up is currently disabled on production. Potential customers can only book a demo or try out our local setup.
 
 <Steps>
-### Go to Sign up page
+### Go to the Sign up page
 
-Got to [app.classroomio.com](https://app.classroomio.com). Click on the signup button on the top right to take you to the Sign up page.
+Go to [app.classroomio.com](https://app.classroomio.com). Click on the signup button on the top right to take you to the Sign Up page.
 
 <Image src={DashboardHomePageSignedout} alt="Dashboard before signin" quality="100" />
 
@@ -25,14 +25,14 @@ Once you are on the signup page, enter your email and a password made up of 6 or
 
 ### Complete the onboarding
 
-Upon completing the signup flow, you will be redirected to the onboarding page. Here you can enter your fullname and your organization details and next you would share how you heard of ClassroomIO
+Upon completing the signup flow, you will be redirected to the onboarding page. Here you can enter your fullname and your organization details and next you would share how you heard about ClassroomIO
 
 <Image src={DashboardOnboardingPage1} alt="Dashboard onboarding page 1" quality="100" />
 <Image src={DashboardOnboardingPage2} alt="Dashboard onboarding page 2" quality="100" />
 
 ### Welcome to the dashboard
 
-After you go through the onboarding, you are successfully signed up and you are ready to start using the platform.
+After you go through the onboarding, you are successfully signed up and are ready to start using the platform.
 
 <Image src={DashboardHomePageSignedin} alt="Dashboard after signing in" quality="100" />