[DOCS] Add missing comma, fix #2628

Resolve the issue #2628
askmike · Nov 4, 2018 · 2b50ebb · 2b50ebb
1 parent 8634bc7
commit 2b50ebb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/strategies/creating_a_strategy.md b/docs/strategies/creating_a_strategy.md
@@ -78,7 +78,7 @@ Most strategies need to warmup before the trading strategy can be started. For e
 If you find out in the check function that you want to give new advice to the trader you can use the advice function:
 
     this.advice({
-      direction: 'long' // or short
+      direction: 'long', // or short
       trigger: { // ignored when direction is not "long"
         type: 'trailingStop',
         trailPercentage: 5