Fix links

Author: MDUYN

README.md

@@ -24,7 +24,7 @@ Features:
 * Order execution
 * Broker and exchange connections through [ccxt](https://github.com/ccxt/ccxt)
 * Backtesting and performance analysis reports [example](./examples/backtest)
-* Backtest experiments to optimize your trading strategy [example](./examples/backtest_experiments)
+* Backtest experiments to optimize your trading strategy [example](./examples/backtest_experiment)
 * Portfolio management
 * Web API for interacting with your deployed trading bot
 * Data persistence through sqlite db or an in-memory db