diff --git a/doc/development/new-exchange.md b/doc/development/new-exchange.md
index 806491def..9ed983b42 100644
--- a/doc/development/new-exchange.md
+++ b/doc/development/new-exchange.md
@@ -35,12 +35,19 @@ Stream
   - [ ] Balance message parser
 - [ ] MarketDataStream
   - [ ] OrderBook message parser (or depth)
-  - [ ] KLine message parser
-  - [ ] Public trade message parser
+  - [ ] KLine message parser (required for backtesting)
+  - [ ] Public trade message parser (optional)
+  - [ ] Ticker message parser (optional)
 - [ ] ping/pong
 - [ ] heart beat integration
 - [ ] handling reconnect
 
+Database
+
+- [ ] Add a new kline table for the exchange (this is required for back-testing)
+  - [ ] Add MySQL migration SQL
+  - [ ] Add SQLite migration SQL
+
 Exchange Factory
 
 - [ ] Add the exchange constructor to the exchange instance factory function.