diff --git a/matlab/peak_detect.m b/matlab/peak_detect.m
index 081ad42..c5a8dd5 100644
--- a/matlab/peak_detect.m
+++ b/matlab/peak_detect.m
@@ -216,9 +216,9 @@ for k=1:numFrames
 	
 	% Output
 	subplot(2, 1, 1)
-	plot(1:Nh, X, peak_pos, X(peak_pos), 'ro', 1:Nh, peak_box_values, 'm-'); grid; axis([0, Nh, -60, 40]); legend('X', 'Peaks', 'BBox')
+	plot(1:Nh, X, peak_pos, X(peak_pos), 'ro', 1:Nh, peak_box_values, 'm-'); grid; axis([0, Nh, -60, 60]); legend('X', 'Peaks', 'Peak Box')
 	subplot(2, 1, 2)
-	plot(1:Nh, Xs-Xm, 1:Nh, Xm); grid; axis([0, Nh, -60, 40]); legend('X_s - Xm', 'X_m')
+	plot(1:Nh, Xs-Xm, 1:Nh, Xm); grid; axis([0, Nh, -60, 60]); legend('X_s - Xm', 'X_m')
 	pause(1/30);
 end