diff --git a/include/sxmp/sxmp.h b/include/sxmp/sxmp.h
index 6c68cf5..2f0d892 100644
--- a/include/sxmp/sxmp.h
+++ b/include/sxmp/sxmp.h
@@ -10,7 +10,7 @@
  *
  * libsxmp is free software: you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
+ * by the Free Software Foundation, either version 2.1 of the License, or
  * (at your option) any later version.
  *
  * libsxmp is distributed in the hope that it will be useful, but
@@ -452,16 +452,16 @@ int sxmp_rpclist_add_function(usrtc_t *tree, int type, const char *fu_name,
 
 int sxmp_rpclist_filter(usrtc_t *source, usrtc_t **dest, int flag, int *filter);
 
-  /* generic sxstream list functions */
-  list_head_t *sxstream_generic_slist_alloc(void);
-  void sxstream_generic_slist_free(list_head_t *list);
-  int sxstream_generic_slist_additem(list_head_t *list, const char *value);
+/* generic sxstream list functions */
+list_head_t *sxstream_generic_slist_alloc(void);
+void sxstream_generic_slist_free(list_head_t *list);
+int sxstream_generic_slist_additem(list_head_t *list, const char *value);
 
-  void sxstream_generic_named_free(list_head_t *list);
-  int sxstream_generic_nmlist_additem(list_head_t *list, const char *name,
-                                      int order);
-  const char *sxstream_generic_named_lookupname(list_head_t *list, int order);
-  int sxstream_generic_named_lookuporder(list_head_t *list, const char *name);
+void sxstream_generic_named_free(list_head_t *list);
+int sxstream_generic_nmlist_additem(list_head_t *list, const char *name,
+                                    int order);
+const char *sxstream_generic_named_lookupname(list_head_t *list, int order);
+int sxstream_generic_named_lookuporder(list_head_t *list, const char *name);
 
 #ifdef __cplusplus
 }
diff --git a/lib/sxmplv2.c b/lib/sxmplv2.c
index 61d5ea9..5c6d891 100644
--- a/lib/sxmplv2.c
+++ b/lib/sxmplv2.c
@@ -10,7 +10,7 @@
  *
  * libsxmp is free software: you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
+ * by the Free Software Foundation, either version 2.1 of the License, or
  * (at your option) any later version.
  *
  * libsxmp is distributed in the hope that it will be useful, but