doc: Consistent grammar

Author: KSXGitHub

README.md

@@ -39,7 +39,7 @@ The benchmark was generated by [a GitHub Workflow](https://github.com/KSXGitHub/
 
 ### Prerequisites
 
-* [`cargo`](github.com/rust-lang/cargo).
+* [`cargo`](github.com/rust-lang/cargo)
 
 ### Test