diff --git a/.editorconfig b/.editorconfig
index df2027d..14ff673 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -25,6 +25,7 @@ trim_trailing_whitespace = true
 insert_final_newline = true
 
 [*.cs]
+file_header_template = // Copyright (c) 2023 Timothy Schenk. Subject to the GNU AGPL Version 3 License.
 indent_size = 4
 dotnet_sort_system_directives_first = true
 dotnet_diagnostic.MA0007.severity = none