diff --git a/src/bot.rs b/src/bot.rs
index 91f3ff0..455bf25 100644
--- a/src/bot.rs
+++ b/src/bot.rs
@@ -17,6 +17,7 @@ pub struct BfxBot {
 }
 
 impl BfxBot {
+    // TODO: change constructor to take SymbolPairs and not Symbol
     pub fn new(
         exchanges: Vec<ExchangeDetails>,
         trading_symbols: Vec<Symbol>,