1 files changed, 2 insertions, 0 deletions
diff --git a/bbl/bbl.ac b/bbl/bbl.ac
index 55ff50b..b803ae9 100644
--- a/bbl/bbl.ac
+++ b/bbl/bbl.ac
@@ -1,3 +1,5 @@
+# See LICENSE for license details.
+
 AC_ARG_ENABLE([logo], AS_HELP_STRING([--enable-logo], [Enable boot logo]))
 AS_IF([test "x$enable_logo" == "xyes"], [
   AC_DEFINE([PK_ENABLE_LOGO],,[Define if the RISC-V logo is to be displayed])