diff --git a/src/bonsai/bonsai/bim/module/structural/decorator.py b/src/bonsai/bonsai/bim/module/structural/decorator.py
index 008ac2ea16..840c6bea31 100644
--- a/src/bonsai/bonsai/bim/module/structural/decorator.py
+++ b/src/bonsai/bonsai/bim/module/structural/decorator.py
@@ -1,3 +1,21 @@
+# Bonsai - OpenBIM Blender Add-on
+# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of Bonsai.
+#
+# Bonsai 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.
+#
+# Bonsai 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 Bonsai.  If not, see <http://www.gnu.org/licenses/>.
+
 from mathutils import Vector
 import numpy as np
 import bpy
diff --git a/src/bonsai/bonsai/bim/module/structural/load_decoration_data.py b/src/bonsai/bonsai/bim/module/structural/load_decoration_data.py
index 95d4d7a0a8..119d0227a9 100644
--- a/src/bonsai/bonsai/bim/module/structural/load_decoration_data.py
+++ b/src/bonsai/bonsai/bim/module/structural/load_decoration_data.py
@@ -1,3 +1,21 @@
+# Bonsai - OpenBIM Blender Add-on
+# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of Bonsai.
+#
+# Bonsai 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.
+#
+# Bonsai 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 Bonsai.  If not, see <http://www.gnu.org/licenses/>.
+
 import bpy
 import bmesh
 import numpy as np
diff --git a/src/bonsai/bonsai/bim/module/structural/operator.py b/src/bonsai/bonsai/bim/module/structural/operator.py
index 4070c6ae35..62e2dffe1f 100644
--- a/src/bonsai/bonsai/bim/module/structural/operator.py
+++ b/src/bonsai/bonsai/bim/module/structural/operator.py
@@ -36,7 +36,7 @@ class ShowLoads(bpy.types.Operator):
 
     def modal(self, context, event):
         if event.type == 'F5':
-            LoadsDecorator.update(context)
+            LoadsDecorator.update()
             for area in context.screen.areas:
                 if area.type == 'VIEW_3D':
                     area.tag_redraw()
diff --git a/src/bonsai/bonsai/bim/module/structural/shader.py b/src/bonsai/bonsai/bim/module/structural/shader.py
index cd7f14a53d..29e710fafe 100644
--- a/src/bonsai/bonsai/bim/module/structural/shader.py
+++ b/src/bonsai/bonsai/bim/module/structural/shader.py
@@ -1,3 +1,20 @@
+# Bonsai - OpenBIM Blender Add-on
+# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of Bonsai.
+#
+# Bonsai 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.
+#
+# Bonsai 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 Bonsai.  If not, see <http://www.gnu.org/licenses/>.
 
 import gpu