docs: update companion guide presentation

Author: solygambas

README.md

@@ -117,18 +117,19 @@ Explore each project individually and view live demos to see them in action:
 
 Check out our [**collection of articles**](https://www.onbusinessplan.com/) for those beginning their web development journey. Find tips, tricks, and motivational content to keep you engaged and motivated throughout your learning process.
 
-## The Ultimate Companion Guide
+## Companion Guide
 
-Enhance your learning journey with **"100 Projects in 100 Days – HTML, CSS & JavaScript: The Ultimate Companion Guide."** This comprehensive guide is designed to help you maximize your experience with this project collection.
+Enhance your learning journey with **_100 Projects in 100 Days – HTML, CSS & JavaScript: The Ultimate Companion Guide._** This comprehensive guide is designed to help you maximize your experience with this project collection.
 
 Inside the PDF, you'll find:
 
-- **Daily Tracker & Planner**: Keep tabs on your progress, set milestone goals, and plan your coding sessions.
-- **Core Concepts Per Project**: Grasp the essential HTML, CSS, and JavaScript patterns used in each project, complete with reference links for deeper dives.
-- **Go-Further Ideas & Enhancements**: Discover suggestions for taking each project beyond the basics, including real-world feature additions, design improvements, and advanced rewrites.
-- **Bug Log & Challenge Notes**: Document any issues you encounter, new discoveries, and debugging notes to learn from and revisit later.
+- **Day 0: Before Starting Up**: Quick-start setup instructions, and boilerplate walkthrough.
+- **Days 1–102: Challenges & Enhancements**
+  - **Challenges**: Targeted tasks to modify core markup, styles, or scripts and deepen your understanding.
+  - **Enhancements**: Advanced feature ideas, design refinements, and real-world polish suggestions.
+  - **MDN Web Docs Links**: Direct pointers to documentation for every tweak, so you can dive deeper on demand.
 
-This guide isn't just about completing projects; it's about building momentum, mastering fundamentals, and challenging yourself to explore, break, and rebuild.
+This guide isn't just about tweaking projects; it's about building momentum, mastering fundamentals, and challenging yourself to explore, break, and rebuild.
 
 [**Preview the Companion Guide (PDF)**](https://www.onbusinessplan.com/pdfs/100%20projects%20-%20Companion%20Guide.pdf)