diff --git a/compiler/src/dotty/tools/dotc/transform/DropParentRefinements.scala b/compiler/src/dotty/tools/dotc/transform/DropParentRefinements.scala
index 6062e1078a5e..1960568dc505 100644
--- a/compiler/src/dotty/tools/dotc/transform/DropParentRefinements.scala
+++ b/compiler/src/dotty/tools/dotc/transform/DropParentRefinements.scala
@@ -10,7 +10,7 @@ object DropParentRefinements:
   val name: String = "dropParentRefinements"
   val description: String = "drop parent refinements from a template"
 
-/** Drop parent refinements from a template. because they are generated without
+/** Drop parent refinements from a template, as they are generated without
   * an implementation. These refinements are unusally required for tracked
   * members with more specific types.
   */