diff --git a/codes/experiments/synthetic_data/analysis/processing_time_analysis.py b/codes/experiments/synthetic_data/analysis/processing_time_analysis.py
index 15e8329..97f5267 100644
--- a/codes/experiments/synthetic_data/analysis/processing_time_analysis.py
+++ b/codes/experiments/synthetic_data/analysis/processing_time_analysis.py
@@ -115,11 +115,11 @@ print(f"Saved: {save_folder}/k4_vs_N.png")
 
 # k3
 fig, ax = plt.subplots(figsize=(7, 5))
-ax.plot(nodes, k3_bin, marker="o", color="steelblue", label="binary k4")
-ax.plot(nodes, k3_fib, marker="s", color="darkorange", label="fibonacci k4")
+ax.plot(nodes, k3_bin, marker="o", color="steelblue", label="binary k3")
+ax.plot(nodes, k3_fib, marker="s", color="darkorange", label="fibonacci k3")
 ax.set_xlabel("N (nodes)")
-# ax.set_ylabel("k3 — decrease-key cost per call [s]")
-# ax.set_title("k3 (decrease-key unit cost) vs N")
+ax.set_ylabel("k3 — iteration cost per call [s]")
+ax.set_title("k3 (iteration unit cost) vs N")
 ax.legend(fontsize=8)
 ax.grid(True, alpha=0.4)
 fig.tight_layout()