diff --git a/Mustfile b/Mustfile
index afc11b5..4f5e24e 100644
--- a/Mustfile
+++ b/Mustfile
@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: AGPL-3.0-or-later
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # Mustfile - hyperpolymath mandatory checks
 # See: https://github.com/hyperpolymath/mustfile