Challenge typography edit

Classification/1-Data/README.md

Classification/2-Discriminative/README.md

Classification/3-Generative/README.md

Classification/4-Applied/README.md

Clustering/1-Visualize/README.md

Clustering/2-K-Means/README.md

Clustering/3-Centroid/README.md

Clustering/4-API/README.md

Introduction/1-intro-to-ML/README.md

Introduction/2-history-of-ML/README.md

Introduction/3-ethics/README.md

NLP/1-Introduction/README.md

NLP/2-Algorithms/README.md

NLP/3-Sentiment/README.md

NLP/4-Bot/README.md

Real-World/1-Applications/README.md

Reinforcement/1-Concepts/README.md

Reinforcement/2-Build/README.md

TimeSeries/1-Data-Algorithms/README.md

TimeSeries/2-Tasks-Models/README.md