fix typo

Author: Fidget-Spinner

README.md

@@ -2,7 +2,7 @@
 
 Hello! I'm a Python core team member since Aug 2021. I mostly work on the interpreter, JIT compiler's optimizer, and other things in a volunteer capacity. I recently started an actual day job: PhD student researching JIT compilers supervised by Laurie Tratt.
 
-* [A Plan for 5-10%* Faster Free-Threaded JIT by Python 3.16](./posts/faster-jit-plan.md.md)
+* [A Plan for 5-10%* Faster Free-Threaded JIT by Python 3.16](./posts/faster-jit-plan.md)
 * [Reflections on 2 years of CPython's JIT Compiler: The good, the bad, the ugly](./posts/jit-reflections.md)
 * [My Final Year Project / Bachelors' Theses](./posts/fyp.md).
 * [My apology for Python's tail-calling interpreter's results](./posts/apology-tail-call.md).