Update README.md

Author: adericbourg

README.md

@@ -2,6 +2,6 @@
 My bookmark list of coding dojos
 
 | Exercise | Participants | Topics |
-------------------------------------
+|----------|--------------|--------|
 | [Gilded Rose Refactoring Kata](https://github.com/emilybache/GildedRose-Refactoring-Kata/) | 1-N | Refactoring, Legacy |
 | [The Kebab Kata’s Facilitator’s guide](https://github.com/malk/the-kebab-kata) | 4-N | Legacy |