docs: fix typos and double space in MDX files

features/emails.mdx

@@ -162,7 +162,7 @@ Follow the steps below to set up DNS verification:
       </Accordion>
     </AccordionGroup>
 
-    <Warning>Note: If you're using a proxy like Cloudflare, make sure to turn  it off for these records or Trophy won't be able to properly verify them.</Warning>
+    <Warning>Note: If you're using a proxy like Cloudflare, make sure to turn it off for these records or Trophy won't be able to properly verify them.</Warning>
 
 </Step>
 

features/events.mdx

@@ -44,7 +44,7 @@ The value of an event can be positive or negative, and can be a whole number or
 
 You can specify a number of custom event attributes to help you track additional information relevant to your use case against events you send to Trophy.
 
-For example, a language learning app might have a 'Questions Completed' metric and use a custom event attribute to store wether the answer to each question was correct.
+For example, a language learning app might have a 'Questions Completed' metric and use a custom event attribute to store whether the answer to each question was correct.
 
 Similarly a fitness app might use an 'Exercises Completed' metric and use a custom event attribute to store the weight that was used in each exercise and another custom event attribute to store how long the exercise lasted.
 

guides/gamified-study-platform.mdx

@@ -1515,7 +1515,7 @@ export default async function Home() {
 }
 ```
 
-Then we'll create a new `<StudyJourney />` component that takes in the achievements and streak data as props and renders it nicely in a dialog. Before adding this we need to add the shadcn/ui `dialog` component to our project, and while we're at it, we'll add the `seperator` component too:
+Then we'll create a new `<StudyJourney />` component that takes in the achievements and streak data as props and renders it nicely in a dialog. Before adding this we need to add the shadcn/ui `dialog` component to our project, and while we're at it, we'll add the `separator` component too:
 
 ```bash
 npx shadcn@latest add dialog separator