diff --git a/src/dropdown/dropdown.ts b/src/dropdown/dropdown.ts
index 937f5690ec..1e9633e582 100644
--- a/src/dropdown/dropdown.ts
+++ b/src/dropdown/dropdown.ts
@@ -32,7 +32,7 @@ export class NgbNavbar {
 }
 
 /**
- * A directive you should put put on a dropdown item to enable keyboard navigation.
+ * A directive you should put on a dropdown item to enable keyboard navigation.
  * Arrow keys will move focus between items marked with this directive.
  *
  * @since 4.1.0