diff --git a/speech_analysis.m b/speech_analysis.m
index c267180..be79af5 100644
--- a/speech_analysis.m
+++ b/speech_analysis.m
@@ -1,5 +1,5 @@
-[y,Fs] = audioread(modulator22.wav);
+[y,Fs] = audioread("modulator22.wav");
 t = (0:length(y)-1)/Fs;
-plot(Y,Fs);
+plot(y,Fs);
 xlabel("Timee (s)");
 ylabel("Amplitude");
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