diff --git a/assets/scss/snap-gallery.scss b/assets/scss/snap-gallery.scss
index dda81fb..15bcdd5 100644
--- a/assets/scss/snap-gallery.scss
+++ b/assets/scss/snap-gallery.scss
@@ -1,3 +1,8 @@
+/*
+  SPDX-FileCopyrightText: 2024 Max Mehl <https://mehl.mx>
+  SPDX-License-Identifier: MIT
+*/
+
 $gap: var(--gap);
 
 .snap-gallery,
diff --git a/layouts/partials/gallery.html b/layouts/partials/gallery.html
index 624981d..109e74d 100644
--- a/layouts/partials/gallery.html
+++ b/layouts/partials/gallery.html
@@ -1,3 +1,7 @@
+<!--
+  SPDX-FileCopyrightText: 2024 Max Mehl <https://mehl.mx>
+  SPDX-License-Identifier: MIT
+-->
 {{- $imgs := .imgs -}}
 {{- $galno := .galno -}}
 <div class="snap-gallery" style="--columns:{{ default 4 .columns }};--min-width:{{ default "200px" .minwidth }};--gap:10px;--cursor:{{ .cursor }};--aspectratio:{{ safeCSS (default "16/10" .aspectratio) }};">
diff --git a/layouts/partials/lightbox.html b/layouts/partials/lightbox.html
index 1ef3151..7739922 100644
--- a/layouts/partials/lightbox.html
+++ b/layouts/partials/lightbox.html
@@ -1,3 +1,7 @@
+<!--
+  SPDX-FileCopyrightText: 2024 Max Mehl <https://mehl.mx>
+  SPDX-License-Identifier: MIT
+-->
 {{- $imgs := .imgs -}}
 {{- $galno := .galno -}}
 <div class="snap-lightbox" id="snap-lightbox-{{ $galno }}">
diff --git a/layouts/partials/slideshow.html b/layouts/partials/slideshow.html
index 032ba90..e1e934f 100644
--- a/layouts/partials/slideshow.html
+++ b/layouts/partials/slideshow.html
@@ -1,3 +1,7 @@
+<!--
+  SPDX-FileCopyrightText: 2024 Max Mehl <https://mehl.mx>
+  SPDX-License-Identifier: MIT
+-->
 {{- $imgs := .imgs -}}
 {{- $galno := .galno -}}
 <div class="snap-slideshow" id="snap-slideshow-{{ $galno }}" style="--columns:1;--min-width:0px;--gap:0px;--slideshow-width:{{ default "100%" .width }};--cursor:{{ .cursor }};--aspectratio:{{ safeCSS (default "16/10" .aspectratio) }};">
diff --git a/layouts/shortcodes/snap-gallery.html b/layouts/shortcodes/snap-gallery.html
index 3b81f70..67de24d 100644
--- a/layouts/shortcodes/snap-gallery.html
+++ b/layouts/shortcodes/snap-gallery.html
@@ -1,3 +1,7 @@
+<!--
+  SPDX-FileCopyrightText: 2024 Max Mehl <https://mehl.mx>
+  SPDX-License-Identifier: MIT
+-->
 {{/*  Count number of gallery on page  */}}
 {{- $.Page.Scratch.Add "gallerycount" 1 -}}
 {{- $galno := $.Page.Scratch.Get "gallerycount" -}}
diff --git a/static/js/snap-gallery.js b/static/js/snap-gallery.js
index 3df694b..aefbdda 100644
--- a/static/js/snap-gallery.js
+++ b/static/js/snap-gallery.js
@@ -1,3 +1,8 @@
+/*
+  SPDX-FileCopyrightText: 2023 Max Mehl <https://mehl.mx>
+  SPDX-License-Identifier: MIT
+*/
+
 // Variables
 var lightbox_baseid = "snap-lightbox-";
 var slideshow_baseid = "snap-slideshow-";