diff --git a/README.md b/README.md
index 1af456086738f1da0be3c57c55ff5ec3b20a727e..0d0982ff408fbb7fb772e543454a6ae48e4f4a6d 100644
--- a/README.md
+++ b/README.md
@@ -24,4 +24,5 @@ It is a shopping list demo.
 
 ## app_5
 
-It is a airline booking app.
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+It is a airline booking app, which contains interaction with sql and check the
+detail information of a flight.
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