Update app.py

app.py

@@ -178,9 +178,13 @@ def create_app():
         gr.Markdown("## 🔭 **CycleNavigator (Interactive)**")
         gr.Markdown(
             "<sub>"
-            "Business 9y • K-Wave 50y • Finance 80y • Hegemony 250y"
+            "<b>Business 9y</b> (credit-investment business cycle) • "
+            "<b>K-Wave 50y</b> (long technological-industrial wave) • "
+            "<b>Finance 80y</b> (long credit-debt cycle) • "
+            "<b>Hegemony 250y</b> (rise & fall of global powers cycle)"
             "</sub>"
         )
+    
 
         chart_summary_state = gr.State(value="No chart yet.")