diff --git a/docs/guide-de/migrating-yii2-bootstrap.md b/docs/guide-de/migrating-yii2-bootstrap.md
index 59580ad..388cc10 100644
--- a/docs/guide-de/migrating-yii2-bootstrap.md
+++ b/docs/guide-de/migrating-yii2-bootstrap.md
@@ -1,5 +1,5 @@
-Migration von yii2-bootstrap
-============================
+Migration von yii2-bootstrap4
+=============================
 
 yii2-bootstrap4 ist eine komplette Überarbeitung des Projekts (siehe den Bootstrap 4 von Bootstrap 3 Migrationsguide).
 Die grössten Änderungen finden Sie hier zusammengefasst:
diff --git a/docs/guide-ja/migrating-yii2-bootstrap.md b/docs/guide-ja/migrating-yii2-bootstrap.md
index 9be0cf8..7bb59a4 100644
--- a/docs/guide-ja/migrating-yii2-bootstrap.md
+++ b/docs/guide-ja/migrating-yii2-bootstrap.md
@@ -1,7 +1,7 @@
-yii2-bootstrap からの移行
+yii2-bootstrap4 からの移行
 =========================
 
-yii2-bootstrap4 は、Bootstrap 3 から Bootstrap 4 への移行ガイドに従って、yii-bootstrap プロジェクト全体を大きく書き換えたものです。
+yii2-bootstrap5 は、Bootstrap 4 から Bootstrap 5 への移行ガイドに従って、yii-bootstrap4 プロジェクト全体を大きく書き換えたものです。
 最も注目すべき変更点を要約すると以下の通りです。
 
 ## 一般
diff --git a/docs/guide/migrating-yii2-bootstrap.md b/docs/guide/migrating-yii2-bootstrap.md
index 1fa975c..47bd135 100644
--- a/docs/guide/migrating-yii2-bootstrap.md
+++ b/docs/guide/migrating-yii2-bootstrap.md
@@ -1,5 +1,5 @@
-Migrating from yii2-bootstrap
-=============================
+Migrating from yii2-bootstrap4
+==============================
 
 yii2-bootstrap5 is a major rewrite of the entire project (according Bootstrap 5 to Bootstrap 4 migration guide).
 The most notable changes are summarized below: