Fix YAML task_categories and clean header syntax

README.md

@@ -2,7 +2,6 @@
 license: cc-by-4.0
 task_categories:
 - text-retrieval
-- tabular
 tags:
 - github
 - code
@@ -20,14 +19,14 @@ configs:
     path: data/train-*.parquet
 ---
 
-# GitHub All Repositories Metadata Dataset ($\ge 3$ Stars)
+# GitHub All Repositories Metadata Dataset (>= 3 Stars)
 
-A comprehensive, high-signal metadata dataset covering **5,289,726 public GitHub repositories** with **$\ge 3$ stars** spanning the history of GitHub to the present day.
+A comprehensive, high-signal metadata dataset covering **5,289,726 public GitHub repositories** with **3 or more stars (>= 3)** spanning the history of GitHub to the present day.
 
 ## Key Features
 - **Total Repositories:** 5,289,726
 - **Rich Topics & Descriptions:** Native tag arrays (`topics`), repo descriptions, licenses, homepage links, and star/fork metrics.
-- **Fast Search:** Designed for instant topical search (e.g. Astronomy, BioInformatics, WebAssembly, Robotics) using DuckDB, Polars, or Hugging Face `datasets`.
+- **Fast Search:** Designed for instant topical search (e.g., Astronomy, BioInformatics, WebAssembly, Robotics) using DuckDB, Polars, or Hugging Face `datasets`.
 - **Deduplicated & Cleaned:** Deduplicated by `owner/repo`, prioritized by latest activity and rich metadata.
 
 ---