diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3a4b172..0a6c79dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -87,4 +87,7 @@
 * Update TextInputConfiguration autocorrect to true in stable branch.
 
 ## [0.2.11]
-* Fix static analysis error.
\ No newline at end of file
+* Fix static analysis error.
+
+## [0.2.12]
+* Support placeholder.
\ No newline at end of file
diff --git a/lib/models/documents/document.dart b/lib/models/documents/document.dart
index f41ee0bd..1573f9af 100644
--- a/lib/models/documents/document.dart
+++ b/lib/models/documents/document.dart
@@ -249,7 +249,9 @@ class Document {
     }
 
     Delta delta = node.toDelta();
-    return delta.length == 1 && delta.first.data == '\n' && delta.first.key == 'insert';
+    return delta.length == 1 &&
+        delta.first.data == '\n' &&
+        delta.first.key == 'insert';
   }
 }