diff --git a/lib/src/queue_list.dart b/lib/src/queue_list.dart
index 7bf307b..b2861d6 100644
--- a/lib/src/queue_list.dart
+++ b/lib/src/queue_list.dart
@@ -94,7 +94,9 @@
         }
       }
     } else {
-      for (E element in iterable) _add(element);
+      for (E element in iterable) {
+        _add(element);
+      }
     }
   }
 
@@ -253,8 +255,10 @@
   }
 
   int get _head => _delegate._head;
+
   set _head(int value) => _delegate._head = value;
 
   int get _tail => _delegate._tail;
+
   set _tail(int value) => _delegate._tail = value;
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 926b5c4..d8775b2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -6,7 +6,6 @@
 homepage: https://www.github.com/dart-lang/collection
 
 environment:
-  # Required for Dart 2.0 collection changes.
   sdk: '>=2.0.0 <3.0.0'
 
 dev_dependencies: