diff --git a/src/main/java/tech/ailef/dbadmin/internal/service/ConsoleQueryService.java b/src/main/java/tech/ailef/dbadmin/internal/service/ConsoleQueryService.java
index aad44c9..ad5ced8 100644
--- a/src/main/java/tech/ailef/dbadmin/internal/service/ConsoleQueryService.java
+++ b/src/main/java/tech/ailef/dbadmin/internal/service/ConsoleQueryService.java
@@ -1,3 +1,21 @@
+/* 
+ * Spring Boot Database Admin - An automatically generated CRUD admin UI for Spring Boot apps
+ * Copyright (C) 2023 Ailef (http://ailef.tech)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package tech.ailef.dbadmin.internal.service;
 
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/src/main/java/tech/ailef/dbadmin/internal/service/UserSettingsService.java b/src/main/java/tech/ailef/dbadmin/internal/service/UserSettingsService.java
index d53ecc7..e93aaa3 100644
--- a/src/main/java/tech/ailef/dbadmin/internal/service/UserSettingsService.java
+++ b/src/main/java/tech/ailef/dbadmin/internal/service/UserSettingsService.java
@@ -1,3 +1,21 @@
+/* 
+ * Spring Boot Database Admin - An automatically generated CRUD admin UI for Spring Boot apps
+ * Copyright (C) 2023 Ailef (http://ailef.tech)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package tech.ailef.dbadmin.internal.service;
 
 import org.springframework.beans.factory.annotation.Autowired;