diff --git a/packages/superdough/README.md b/packages/superdough/README.md
index 89b811b93..bb9787eca 100644
--- a/packages/superdough/README.md
+++ b/packages/superdough/README.md
@@ -92,7 +92,7 @@ superdough({ s: 'bd', delay: 0.5 }, 0, 1);
 - `deadline`: seconds until the sound should play (0 = immediate)
 - `duration`: seconds the sound should last. optional for one shot samples, required for synth sounds
 
-### prepare()
+### prepare(value)
 
 Informs superdough that a sound will be needed in the future.
 If the sound is a sample that is not loaded yet, it will be fetched.