diff --git a/lua/opencode.lua b/lua/opencode.lua
index 00ca0ae..a4af0a4 100644
--- a/lua/opencode.lua
+++ b/lua/opencode.lua
@@ -1,3 +1,16 @@
+-- opencode.nvim - Toggle opencode in a Neovim terminal.
+-- SPDX-License-Identifier: GPL-3.0-only
+-- Copyright (C) 2026 Asger Gitz-Johansen
+--
+-- 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, version 3 only.
+--
+-- 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.
+
 local M = {}
 
 local state = {
@@ -7,7 +20,7 @@ local state = {
 }
 
 local config = {
-  width = 0.2,
+  width = 0.3,
 }
 
 local function is_valid_window(win)
diff --git a/plugin/opencode.lua b/plugin/opencode.lua
index d608aef..98f237b 100644
--- a/plugin/opencode.lua
+++ b/plugin/opencode.lua
@@ -1 +1,6 @@
+-- opencode.nvim - Toggle opencode in a Neovim terminal.
+-- SPDX-License-Identifier: GPL-3.0-only
+-- Copyright (C) 2026 Asger Gitz-Johansen
+-- Licensed under the GNU General Public License, version 3 only.
+
 require("opencode").setup()