diff --git a/chapters/en/chapter4.md b/chapters/en/chapter4.md
index 45fe32d6..20aec21a 100644
--- a/chapters/en/chapter4.md
+++ b/chapters/en/chapter4.md
@@ -387,7 +387,7 @@ predicting it.
 
 </opt>
 
-<opt text="The hyperparameters need to be retuned so that both entity types can be recognized.">
+<opt text="The hyperparameters need to be returned so that both entity types can be recognized.">
 
 While the hyperparameters can influence a model's accuracy, they're likely not
 the problem here.