diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,54 @@
 # RenderCV
-[![CI](https://github.com/sinaatalay/rendercv/actions/workflows/ci.yaml/badge.svg)](https://github.com/sinaatalay/rendercv/actions/workflows/ci.yaml)
+[![CI](https://github.com/sinaatalay/rendercv/actions/workflows/ci.yaml/badge.svg?branch=main)](https://github.com/sinaatalay/rendercv/actions/workflows/ci.yaml)
 [![coverage](https://coverage-badge.samuelcolvin.workers.dev/sinaatalay/rendercv.svg)](https://coverage-badge.samuelcolvin.workers.dev/redirect/sinaatalay/rendercv)
 [![pypi](https://img.shields.io/pypi/v/rendercv.svg)](https://pypi.python.org/pypi/rendercv)
 
-A Python application that creates CVs in PDF, HTML, LaTeX, etc., from a JSON/YAML input file.
+A Python application that creates a $\LaTeX$ CV as a PDF from a JSON/YAML input file. Currently, it only supports one theme (classic), which can be seen [here](https://github.com/sinaatalay/rendercv/blob/main/John_Doe_CV.pdf?raw=true). More themes are planned to be supported in the future.
+
+**What does it do?**
+- It parses a YAML (or JSON) file that looks like this:
+```yaml
+cv:
+  name: John Doe
+  label: Mechanical Engineer
+  location: Geneva, Switzerland
+  email: johndoe@example.com
+  phone: "+33749882538"
+  website: https://example.com
+  social_networks:
+    - network: GitHub
+      username: johndoe
+  education:
+    - institution: Boğaziçi University
+      url: https://boun.edu.tr
+      area: Mechanical Engineering
+      study_type: BS
+      location: Istanbul, Turkey
+      start_date: "2017-09-01"
+      end_date: "2023-01-01"
+      transcript_url: https://example.com
+      gpa: 3.10/4.00
+      highlights:
+        - "Class rank: 10 of 62"
+    - institution: The University of Texas at Austin
+      url: https://utexas.edu
+      area: Mechanical Engineering, Student Exchange Program
+      location: Austin, TX, USA
+      start_date: "2021-08-01"
+      end_date: "2022-01-15"
+  work_experience:
+    - company: AmIACompany
+      position: Summer Intern
+      location: Istanbul, Turkey
+      url: https://example.com
+      start_date: "2022-06-15"
+      end_date: "2022-08-01"
+      highlights:
+        - AmIACompany is a technology company that provides web-based engineering applications
+          that enable the simulation and optimization of products and manufacturing tools.
+        - Modeled and simulated a metal-forming process deep drawing using finite element
+          analysis with open-source software called CalculiX.
+```
+- It validates the input, such as checking if the dates are consistent, checking if the URLs are correct, warning if there are any spelling mistakes, etc.
+- Then creates a $\LaTeX$ file.
+- Then renders the $\LaTeX$ file to generate the PDF, and you don't need $\LaTeX$ installed on your PC because the packages come with [TinyTeX](https://yihui.org/tinytex/).