Minor typo fix

src/streamlit_app.py

@@ -1028,7 +1028,7 @@ def main():
     # ------------------------------------------------------------------
     # Violin (full width, below)
     # ------------------------------------------------------------------
-    st.subheader("🎻 Performance comparaison across tracks")
+    st.subheader("🎻 Performance comparison across tracks")
 
     violin_df = build_violin_df(
         benchmark_name,