5 files changed, 20 insertions, 0 deletions
diff --git a/lib/SlackBuilder/Config.hs b/lib/SlackBuilder/Config.hs
index 5a0b791..39fabd9 100644
--- a/lib/SlackBuilder/Config.hs
+++ b/lib/SlackBuilder/Config.hs
@@ -1,3 +1,7 @@
+{- This Source Code Form is subject to the terms of the Mozilla Public License,
+   v. 2.0. If a copy of the MPL was not distributed with this file, You can
+   obtain one at https://mozilla.org/MPL/2.0/. -}
+
 -- | Configuration file.
 module SlackBuilder.Config
     ( Settings(..)
diff --git a/lib/SlackBuilder/Download.hs b/lib/SlackBuilder/Download.hs
index 2dc503d..efea720 100644
--- a/lib/SlackBuilder/Download.hs
+++ b/lib/SlackBuilder/Download.hs
@@ -1,3 +1,7 @@
+{- This Source Code Form is subject to the terms of the Mozilla Public License,
+   v. 2.0. If a copy of the MPL was not distributed with this file, You can
+   obtain one at https://mozilla.org/MPL/2.0/. -}
+
 module SlackBuilder.Download
     ( clone
     , cloneAndArchive
diff --git a/lib/SlackBuilder/Info.hs b/lib/SlackBuilder/Info.hs
index 9362820..3e0c839 100644
--- a/lib/SlackBuilder/Info.hs
+++ b/lib/SlackBuilder/Info.hs
@@ -1,3 +1,7 @@
+{- This Source Code Form is subject to the terms of the Mozilla Public License,
+   v. 2.0. If a copy of the MPL was not distributed with this file, You can
+   obtain one at https://mozilla.org/MPL/2.0/. -}
+
 -- | Info file parsing and printing.
 module SlackBuilder.Info
     ( PackageInfo(..)
diff --git a/lib/SlackBuilder/Package.hs b/lib/SlackBuilder/Package.hs
index 0597819..3b3a244 100644
--- a/lib/SlackBuilder/Package.hs
+++ b/lib/SlackBuilder/Package.hs
@@ -1,3 +1,7 @@
+{- This Source Code Form is subject to the terms of the Mozilla Public License,
+   v. 2.0. If a copy of the MPL was not distributed with this file, You can
+   obtain one at https://mozilla.org/MPL/2.0/. -}
+
 module SlackBuilder.Package
     ( DownloadPlaceholder(..)
     , Download(..)
diff --git a/lib/SlackBuilder/Trans.hs b/lib/SlackBuilder/Trans.hs
index 2876691..6186c41 100644
--- a/lib/SlackBuilder/Trans.hs
+++ b/lib/SlackBuilder/Trans.hs
@@ -1,3 +1,7 @@
+{- This Source Code Form is subject to the terms of the Mozilla Public License,
+   v. 2.0. If a copy of the MPL was not distributed with this file, You can
+   obtain one at https://mozilla.org/MPL/2.0/. -}
+
 -- | Transformers and exceptions.
 module SlackBuilder.Trans
     ( SlackBuilderException(..)