diff --git a/include/osmocom/vty/logging.h b/include/osmocom/vty/logging.h
index f4e28f8..e0011bf 100644
--- a/include/osmocom/vty/logging.h
+++ b/include/osmocom/vty/logging.h
@@ -4,8 +4,9 @@
 #define LOGGING_STR	"Configure log message to this terminal\n"
 #define FILTER_STR	"Filter log messages\n"
 
-void logging_vty_add_cmds(void);
-
+struct log_info;
+void logging_vty_add_cmds(const struct log_info *cat);
+struct vty;
 struct log_target *osmo_log_vty2tgt(struct vty *vty);
 
 #endif /* _VTY_LOGGING_H */
diff --git a/include/osmocore/logging.h b/include/osmocore/logging.h
index a2c63e9..fd45844 100644
--- a/include/osmocore/logging.h
+++ b/include/osmocore/logging.h
@@ -144,9 +144,9 @@
 void log_add_target(struct log_target *target);
 void log_del_target(struct log_target *target);
 
-/* Gernerate command argument strings for VTY use */
-const char *log_vty_category_string(struct log_info *info);
-const char *log_vty_level_string(struct log_info *info);
+/* Generate command string for VTY use */
+const char *log_vty_command_string(const struct log_info *info);
+const char *log_vty_command_description(const struct log_info *info);
 
 struct log_target *log_target_find(int type, const char *fname);
 extern struct llist_head osmo_log_target_list;