diff --git a/include/osmocom/gsm/gsup.h b/include/osmocom/gsm/gsup.h
index 636a112..e2912a6 100644
--- a/include/osmocom/gsm/gsup.h
+++ b/include/osmocom/gsm/gsup.h
@@ -1,4 +1,4 @@
-/* Osmocom Subscriber Update Protocol message encoder/decoder */
+/* Osmocom Generic Subscriber Update Protocol message encoder/decoder */
 
 /* (C) 2014 by sysmocom s.f.m.c. GmbH, Author: Jacob Erlbeck
  * (C) 2016 by Harald Welte <laforge@gnumonks.org>
diff --git a/src/gsm/gsup.c b/src/gsm/gsup.c
index b213e30..22f57ab 100644
--- a/src/gsm/gsup.c
+++ b/src/gsm/gsup.c
@@ -1,4 +1,4 @@
-/* Osmocom Subscriber Update Protocol message encoder/decoder */
+/* Osmocom Generic Subscriber Update Protocol message encoder/decoder */
 
 /*
  * (C) 2014 by sysmocom s.f.m.c. GmbH