diff --git a/README.md b/README.md
index 66981da..722f54e 100755
--- a/README.md
+++ b/README.md
@@ -95,7 +95,7 @@ _, f0_crepe, _, _ = crepe.predict(x, sr, viterbi=True, step_size=10)
 
 x_double_stretched = tsm.tdpsola(x, sr, f0_crepe, alpha=2, p_hop_size=441, p_win_size=1470)  # hop_size and frame_length for CREPE step_size=10 with sr=44100
 x_3keyup = tsm.tdpsola(x, sr, f0_crepe, beta=pow(2, 3/12), p_hop_size=441, p_win_size=1470)
-x_3keydown = tsm.tdpsola(x, sr, f0_crepe, target_f0=f0_crepe * pow(2, -3/12), p_hop_size=441, p_win_size=1470)
+x_3keydown = tsm.tdpsola(x, sr, f0_crepe, tgt_f0=f0_crepe * pow(2, -3/12), p_hop_size=441, p_win_size=1470)
 ```
 
 #### Time stretching factor alpha