Fix Table of Contents

courses/index.md

@@ -8,13 +8,15 @@ There is a vast amount of resources scattered throughout the web on what are the
 
 In this course we are focusing on building strong foundational skills. The course is  structured in a way to provide more real life examples and how learning each of the topics can play a bigger role in your day to day SRE life. Currently we are covering the following topics under the School Of SRE:
 
-- Linux basics
-- [Git](https://linkedin.github.io/school-of-sre/git/git-basics/)  
-- [Linux Networking](https://linkedin.github.io/school-of-sre/linux_networking/intro/)
+- Fundamentals Series
+    - Linux basics
+    - [Git](https://linkedin.github.io/school-of-sre/git/git-basics/)  
+    - [Linux Networking](https://linkedin.github.io/school-of-sre/linux_networking/intro/)
 - [Python and Web](https://linkedin.github.io/school-of-sre/python_web/intro/)
-- Relational databases (MySQL)
-- NoSQL concepts 
-- [Big Data](https://linkedin.github.io/school-of-sre/big_data/intro/)
+- Data
+    - Relational databases (MySQL)
+    - NoSQL concepts 
+    - [Big Data](https://linkedin.github.io/school-of-sre/big_data/intro/)
 - [Systems Design](https://linkedin.github.io/school-of-sre/systems_design/intro/)
 - [Security](https://linkedin.github.io/school-of-sre/security/intro/)
 

courses/python_web/sre-conclusion.md

@@ -1,4 +1,4 @@
-# SRE Parts of The App and Conclusion
+# Conclusion
 
 ## Scaling The App
 

mkdocs.yml

@@ -24,7 +24,7 @@ nav:
     - Some Python Concepts: python_web/python-concepts.md
     - Python, Web and Flask: python_web/python-web-flask.md
     - The URL Shortening App: python_web/url-shorten-app.md
-    - SRE Aspects of The App and Conclusion: python_web/sre-conclusion.md
+    - Conclusion: python_web/sre-conclusion.md
 - Data:
     - Big Data:
         - Introduction: big_data/intro.md