diff --git a/plots/data.py b/plots/data.py
index a1f01ee0dab8dc588fec5be0834a182924fb46b2..52e9e96c34cf1d5a9a83c4828884ea0be026e106 100644
--- a/plots/data.py
+++ b/plots/data.py
@@ -49,7 +49,7 @@ def main(block: bool) -> None:
     plt.ylabel("Bearing [deg]")
     cbar = plt.colorbar()
     apply_figsize(plt.gcf())
-    cbar.set_label(r'Normalized $10 \log_{10} B(\psi, z)$', rotation=270, fontsize = 12, labelpad =20)
+    cbar.set_label(r'Normalized $10 \log_{10} B(\psi, \mathrm{y}_k)$', rotation=270, fontsize = 12, labelpad =20)
     plt.savefig(filepaths.figs_path / "btr_early_no_target.pdf")
 
     # Figure with a target
@@ -65,7 +65,7 @@ def main(block: bool) -> None:
     plt.legend()
     cbar = plt.colorbar()
     apply_figsize(plt.gcf())
-    cbar.set_label(r'Normalized $10 \log_{10} B(\psi, z)$', rotation=270, fontsize = 12, labelpad =20)
+    cbar.set_label(r'Normalized $10 \log_{10} B(\psi, \mathrm{y}_k)$', rotation=270, fontsize = 12, labelpad =20)
     plt.savefig(filepaths.figs_path / "btr_early_target.pdf")
 
     plt.show(block=block)