Update app.py

app.py

@@ -127,6 +127,7 @@ topn = df_out.sort_values("complexity_score", ascending=False).head(top_n_val)
 ax1.barh(topn["Ontology ID"].astype(str), topn["complexity_score"], color="#4C72B0")
 ax1.invert_yaxis()
 ax1.set_title(f"Top {top_n_val} Ontologies by Complexity Score")
+ax1.set_xlabel("Complexity Score", fontsize=12)
 
 # PANEL 2 — PROCESSING TIME VS COMPLEXITY
 ax2 = plt.subplot2grid((3, 2), (1, 0))