diff --git a/mathmech/version.h.in b/mathmech/version.h.in
index e89dd37..8badeaf 100644
--- a/mathmech/version.h.in
+++ b/mathmech/version.h.in
@@ -1,3 +1,11 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * Evgeniy Alekseev wrote this file. As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return
+ * ----------------------------------------------------------------------------
+ */
 /**
  * @file
  */