diff --git a/units/en/unit7/introduction-to-marl.mdx b/units/en/unit7/introduction-to-marl.mdx
index de74679..3aa7f3c 100644
--- a/units/en/unit7/introduction-to-marl.mdx
+++ b/units/en/unit7/introduction-to-marl.mdx
@@ -43,7 +43,7 @@ For instance, in a warehouse, **robots must collaborate to load and unload the p
For example, in a game of tennis, **each agent wants to beat the other agent**.
-
+
- *Mixed of both adversarial and cooperative*: like in our SoccerTwos environment, two agents are part of a team (blue or purple): they need to cooperate with each other and beat the opponent team.