diff --git a/README.md b/README.md
index dd092ef62c9e62650a74aa640f7990d133ba3bbd..35c74ab440cafa910613e4fe43cd8932b5fe1aed 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@
 |0.001|prior|Sun SPARCStation 1|C|prior|
 |0.001|prior|DEC VAX 8650|C|prior|
 |0.0007|prior|Intel 486|C|prior|
-|0.00031|[pi.py](Python/micropi.py)|MicroPython, 250 MHz|RP2040|December, 2022|
+|0.00031|[micropi.py](Python/micropi.py)|MicroPython, 250 MHz|RP2040|December, 2022|
 |0.0002|[pi.ino](Arduino/pi.ino)|Arduino, floats|ATSAMD21E|December, 2020|
 |0.0001|[pi.ino](Arduino/pi.ino)|Arduino, floats|ATtiny1614|December, 2020|
 |0.00003|prior|Sun 3/60|C|prior|