diff --git a/Chapter_6.Rmd b/Chapter_6.Rmd
index 99d7b4c..b357bb5 100644
--- a/Chapter_6.Rmd
+++ b/Chapter_6.Rmd
@@ -102,7 +102,7 @@ text(
   cex = 0.9
 )
 text(
-  plot_left,
+  0,
   n_phase - phase_axis + 1,
   labels = phase_labels,
   pos = 2,