diff --git a/units/en/unit7/self-play.mdx b/units/en/unit7/self-play.mdx
index d716f8c..f35d033 100644
--- a/units/en/unit7/self-play.mdx
+++ b/units/en/unit7/self-play.mdx
@@ -24,7 +24,7 @@ This solution is called *self-play*. In self-play, **the agent uses former copie
 It’s the same way humans learn in competition:
 
 - We start to train against an opponent of similar level
-- Then we learn from it, and when we acquired some skills, we can move further with stronger opponents.
+- Then we learn from it, and when we acquire some skills, we can move further with stronger opponents.
 
 We do the same with self-play: