diff --git a/app/src/main/java/eu/faircode/email/FragmentDialogBase.java b/app/src/main/java/eu/faircode/email/FragmentDialogBase.java
index 1414ca07f4..051b314c69 100644
--- a/app/src/main/java/eu/faircode/email/FragmentDialogBase.java
+++ b/app/src/main/java/eu/faircode/email/FragmentDialogBase.java
@@ -1,5 +1,24 @@
 package eu.faircode.email;
 
+/*
+    This file is part of FairEmail.
+
+    FairEmail 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.
+
+    FairEmail 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 FairEmail.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018-2019 by Marcel Bokhorst (M66B)
+*/
+
 import android.content.ActivityNotFoundException;
 import android.content.DialogInterface;
 import android.content.Intent;
diff --git a/app/src/main/java/eu/faircode/email/FragmentDialogLink.java b/app/src/main/java/eu/faircode/email/FragmentDialogLink.java
index f24e7b9e16..5c33df00a6 100644
--- a/app/src/main/java/eu/faircode/email/FragmentDialogLink.java
+++ b/app/src/main/java/eu/faircode/email/FragmentDialogLink.java
@@ -1,5 +1,24 @@
 package eu.faircode.email;
 
+/*
+    This file is part of FairEmail.
+
+    FairEmail 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.
+
+    FairEmail 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 FairEmail.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018-2019 by Marcel Bokhorst (M66B)
+*/
+
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.net.Uri;
diff --git a/app/src/main/java/eu/faircode/email/FragmentDialogMarkdown.java b/app/src/main/java/eu/faircode/email/FragmentDialogMarkdown.java
index cfd9284277..c308ad633a 100644
--- a/app/src/main/java/eu/faircode/email/FragmentDialogMarkdown.java
+++ b/app/src/main/java/eu/faircode/email/FragmentDialogMarkdown.java
@@ -1,5 +1,24 @@
 package eu.faircode.email;
 
+/*
+    This file is part of FairEmail.
+
+    FairEmail 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.
+
+    FairEmail 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 FairEmail.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018-2019 by Marcel Bokhorst (M66B)
+*/
+
 import android.app.Dialog;
 import android.content.Context;
 import android.os.Bundle;