Update runtime files
diff --git a/runtime/ftplugin/gdshader.vim b/runtime/ftplugin/gdshader.vim
index 74de7c1..809a005 100644
--- a/runtime/ftplugin/gdshader.vim
+++ b/runtime/ftplugin/gdshader.vim
@@ -3,6 +3,7 @@
 # Vim filetype plugin file
 # Language: Godot shading language
 # Maintainer: Maxim Kim <habamax@gmail.com>
+# Website: https://github.com/habamax/vim-gdscript
 
 if exists("b:did_ftplugin") | finish | endif
 b:did_ftplugin = 1