diff --git a/src/main/java/me/despical/commandframework/Command.java b/src/main/java/me/despical/commandframework/Command.java
index 21a64e0..2e1a3f9 100644
--- a/src/main/java/me/despical/commandframework/Command.java
+++ b/src/main/java/me/despical/commandframework/Command.java
@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2021 - Despical
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
  *
  * 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
@@ -12,7 +13,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.commandframework;
diff --git a/src/main/java/me/despical/commandframework/CommandArguments.java b/src/main/java/me/despical/commandframework/CommandArguments.java
index 6553878..87fcc29 100644
--- a/src/main/java/me/despical/commandframework/CommandArguments.java
+++ b/src/main/java/me/despical/commandframework/CommandArguments.java
@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2021 - Despical
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
  *
  * 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
@@ -12,7 +13,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.commandframework;
diff --git a/src/main/java/me/despical/commandframework/CommandException.java b/src/main/java/me/despical/commandframework/CommandException.java
index ad9e6db..c3ff656 100644
--- a/src/main/java/me/despical/commandframework/CommandException.java
+++ b/src/main/java/me/despical/commandframework/CommandException.java
@@ -1,3 +1,21 @@
+/*
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * 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 me.despical.commandframework;
 
 /**
diff --git a/src/main/java/me/despical/commandframework/CommandFramework.java b/src/main/java/me/despical/commandframework/CommandFramework.java
index da8a605..bfc2398 100644
--- a/src/main/java/me/despical/commandframework/CommandFramework.java
+++ b/src/main/java/me/despical/commandframework/CommandFramework.java
@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2021 - Despical
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
  *
  * 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
@@ -12,7 +13,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.commandframework;
diff --git a/src/main/java/me/despical/commandframework/Completer.java b/src/main/java/me/despical/commandframework/Completer.java
index 165f78b..32ce2fc 100644
--- a/src/main/java/me/despical/commandframework/Completer.java
+++ b/src/main/java/me/despical/commandframework/Completer.java
@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2021 - Despical
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
  *
  * 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
@@ -12,7 +13,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.commandframework;
diff --git a/src/main/java/me/despical/commandframework/CustomParameters.java b/src/main/java/me/despical/commandframework/CustomParameters.java
index ed2029b..107f8e8 100644
--- a/src/main/java/me/despical/commandframework/CustomParameters.java
+++ b/src/main/java/me/despical/commandframework/CustomParameters.java
@@ -1,3 +1,21 @@
+/*
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * 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 me.despical.commandframework;
 
 import java.lang.annotation.ElementType;
diff --git a/src/main/java/me/despical/commandframework/NoCommandArguments.java b/src/main/java/me/despical/commandframework/NoCommandArguments.java
index ae185bc..9d9bbd4 100644
--- a/src/main/java/me/despical/commandframework/NoCommandArguments.java
+++ b/src/main/java/me/despical/commandframework/NoCommandArguments.java
@@ -1,3 +1,21 @@
+/*
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * 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 me.despical.commandframework;
 
 import java.lang.annotation.ElementType;
diff --git a/src/main/java/me/despical/commandframework/utils/Utils.java b/src/main/java/me/despical/commandframework/utils/Utils.java
index 7f08ab0..dca5475 100644
--- a/src/main/java/me/despical/commandframework/utils/Utils.java
+++ b/src/main/java/me/despical/commandframework/utils/Utils.java
@@ -1,6 +1,6 @@
 /*
- * Commons - Box of the common utilities.
- * Copyright (C) 2023 Despical
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
  *
  * 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
@@ -9,11 +9,11 @@
  *
  * 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
+ * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.commandframework.utils;
diff --git a/src/main/java/me/despical/commandframework/utils/package-info.java b/src/main/java/me/despical/commandframework/utils/package-info.java
index 6e4e85d..c5064a9 100644
--- a/src/main/java/me/despical/commandframework/utils/package-info.java
+++ b/src/main/java/me/despical/commandframework/utils/package-info.java
@@ -1,3 +1,21 @@
+/*
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * 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/>.
+ */
+
 /**
  * This package is an internal utility package for the framework.
  *
diff --git a/src/test/java/me/despical/commandframework/test/CommandFrameworkMock.java b/src/test/java/me/despical/commandframework/test/CommandFrameworkMock.java
index 260d80a..0c6c278 100644
--- a/src/test/java/me/despical/commandframework/test/CommandFrameworkMock.java
+++ b/src/test/java/me/despical/commandframework/test/CommandFrameworkMock.java
@@ -1,3 +1,21 @@
+/*
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * 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 me.despical.commandframework.test;
 
 import me.despical.commandframework.CommandFramework;
diff --git a/src/test/java/me/despical/commandframework/test/CommandRegistrationTest.java b/src/test/java/me/despical/commandframework/test/CommandRegistrationTest.java
index 4a7fabc..662b19e 100644
--- a/src/test/java/me/despical/commandframework/test/CommandRegistrationTest.java
+++ b/src/test/java/me/despical/commandframework/test/CommandRegistrationTest.java
@@ -1,3 +1,21 @@
+/*
+ * Command Framework - Annotation based command framework
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * 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 me.despical.commandframework.test;
 
 import be.seeseemelk.mockbukkit.MockBukkit;