diff --git a/README.md b/README.md
index 40d7d86..b4d2d30 100644
--- a/README.md
+++ b/README.md
@@ -191,7 +191,7 @@ common stimuli type live in [src/stim.rs](crates/coremem/src/stim.rs).
 common measurements live in [src/meas.rs](crates/coremem/src/meas.rs).
 common render targets live in [src/render.rs](crates/coremem/src/render.rs). these change infrequently enough that [src/driver.rs](crates/coremem/src/driver.rs) has some specialized helpers for each render backend.
 common materials are spread throughout [src/mat](crates/coremem/src/mat/mod.rs).
-different float implementations live in [src/real](crates/coremem/src/real.rs).
+different float implementations live in [src/real.rs](crates/coremem/src/real.rs).
 if you're getting NaNs, you can run the entire simulation on a checked `R64` type in order to pinpoint the moment those are introduced.
 
 ## Materials