Fix inconsistent naming of "Beginners' Day" throughout page

Author: that-coworker

src/content/pages/beginners-day.mdx

@@ -7,16 +7,16 @@ subtitle:
 
 On Saturday 19th July, we'll be hosting a day to help introduce people to Python and its applications which will feature three tracks running in parallel. The events are designed to welcome newcomers to the Python ecosystem, including a series of talks and panels by junior developers and two workshops designed to introduce complete beginners to web development and data science.
 
-EuroPython Beginners' Day is open to everyone, from high school students or a late career changers. Entry is free for EuroPython ticket holders, and XXX otherwise. Tickets for the Beginner's Day can be purchased here.
+EuroPython Beginners' Day is open to everyone, from high school students or a late career changers. Entry is free for EuroPython ticket holders, and XXX otherwise. Tickets for the Beginners' Day can be purchased here.
 
 Please sign up for the Beginners' Day and the specific track you're interested in using [this form](https://docs.google.com/forms/d/e/1FAIpQLSddM9RqRYc9jglmF-6vORbnFQ-_ymONU2cugUgB9poqqzLp5w/viewform?usp=dialog). The number of places available for each track is as follows:
 * **Beginners' Day panels and workshops**: X places
 * **Django Girls**: X places
 * Humble Data: 18 places
 
-### Beginner's Day panels and workshops
+### Beginners' Day panels and workshops
 
-Beginner's Day panels and workshops are designed to help you start and grow your tech career. On the day, you'll be able to:
+Beginners' Day panels and workshops are designed to help you start and grow your tech career. On the day, you'll be able to:
 * Attend panel discussions where junior developers share their real-world experiences, hiring managers explain what they look for in candidates, and experienced developers discuss the journey from junior to senior roles;
 * Participate in interactive workshops focused on practical skills for succeeding in your first tech job;
 * Join discussion circles that bridge perspectives between beginners and seasoned professionals;