Update README.md

Author: yimajo

README.md

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 ![Swift Package Manager](https://img.shields.io/badge/swift%20package%20manager-compatible-brightgreen.svg)
 ![License](https://img.shields.io/badge/License-MIT-yellow.svg)
 
-XcodeTargetGraphGen is a Swift command line tool that analyzes .xcodeproj files to generate a visualization of module-level internal dependencies using Mermaid diagram syntax. It supports multiple package managers, providing a clear representation of the structure and dependencies in Xcode projects across various environments. This facilitates a deeper understanding of the organization of modules in complex projects.
+XcodeTargetGraphGen is a Swift command line tool that analyzes `.xcodeproj` files to generate a visualization of module-level internal dependencies using Mermaid diagram syntax. It supports multiple package managers, providing a clear representation of the structure and dependencies in Xcode projects across various environments. This facilitates a deeper understanding of the organization of modules in complex projects.
 
 The supported package managers are as follows: