diff --git a/includes/MinervaHooks.php b/includes/MinervaHooks.php
index 21938a8..cc677ab 100644
--- a/includes/MinervaHooks.php
+++ b/includes/MinervaHooks.php
@@ -1,16 +1,31 @@
 <?php
 /**
- * Minerva.hooks.php
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
  */
 
+use MediaWiki\MediaWikiServices;
+
 /**
  * Hook handlers for Minerva skin.
  *
  * Hook handler method names should be in the form of:
  *	on<HookName>()
  */
-use MediaWiki\MediaWikiServices;
-
 class MinervaHooks {
 	/**
 	 * Register mobile web beta features
diff --git a/includes/MinervaResourceLoaderParsedMessageModule.php b/includes/MinervaResourceLoaderParsedMessageModule.php
index 2cab60b..d4d3463 100644
--- a/includes/MinervaResourceLoaderParsedMessageModule.php
+++ b/includes/MinervaResourceLoaderParsedMessageModule.php
@@ -1,4 +1,23 @@
 <?php
+/**
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
 /**
  * ResourceLoaderModule subclass for Minerva
  * Allows basic server side parsing of messages without arguments
diff --git a/includes/MinervaUI.php b/includes/MinervaUI.php
index 07fa2c4..1c94e0b 100644
--- a/includes/MinervaUI.php
+++ b/includes/MinervaUI.php
@@ -1,11 +1,26 @@
 <?php
-
 /**
- * MinervaUI.php
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
  */
 
-// FIXME: Use OOUI PHP when available.
 /**
+ * FIXME: Use OOUI when available
+ *
  * Helper methods for generating parts of the UI.
  */
 class MinervaUI {
diff --git a/includes/ResourceLoaderLessVarFileModule.php b/includes/ResourceLoaderLessVarFileModule.php
index 58eeea1..302afb5 100644
--- a/includes/ResourceLoaderLessVarFileModule.php
+++ b/includes/ResourceLoaderLessVarFileModule.php
@@ -1,4 +1,22 @@
 <?php
+/**
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
 
 namespace MediaWiki\Minerva;
 
diff --git a/includes/skins/ICustomizableSkin.php b/includes/skins/ICustomizableSkin.php
index 83623cc..6d9e261 100644
--- a/includes/skins/ICustomizableSkin.php
+++ b/includes/skins/ICustomizableSkin.php
@@ -1,4 +1,22 @@
 <?php
+/**
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
 
 interface ICustomizableSkin {
 	/**
diff --git a/includes/skins/MenuBuilder.php b/includes/skins/MenuBuilder.php
index b03db26..5ff581b 100644
--- a/includes/skins/MenuBuilder.php
+++ b/includes/skins/MenuBuilder.php
@@ -1,4 +1,22 @@
 <?php
+/**
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
 
 namespace MediaWiki\Minerva;
 
diff --git a/includes/skins/MinervaTemplate.php b/includes/skins/MinervaTemplate.php
index 92fc921..981a5b7 100644
--- a/includes/skins/MinervaTemplate.php
+++ b/includes/skins/MinervaTemplate.php
@@ -1,6 +1,21 @@
 <?php
 /**
- * MinervaTemplate.php
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
  */
 
 /**
diff --git a/includes/skins/SkinMinerva.php b/includes/skins/SkinMinerva.php
index 3cc7e58..963a103 100644
--- a/includes/skins/SkinMinerva.php
+++ b/includes/skins/SkinMinerva.php
@@ -1,7 +1,23 @@
 <?php
 /**
- * SkinMinerva.php
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
  */
+
 use MediaWiki\Minerva\MenuBuilder;
 use MediaWiki\MediaWikiServices;
 use MediaWiki\Minerva\SkinUserPageHelper;
diff --git a/includes/skins/SkinUserPageHelper.php b/includes/skins/SkinUserPageHelper.php
index 781f20f..0ac2a57 100644
--- a/includes/skins/SkinUserPageHelper.php
+++ b/includes/skins/SkinUserPageHelper.php
@@ -1,4 +1,22 @@
 <?php
+/**
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
 
 namespace MediaWiki\Minerva;