diff --git a/man/sd_bus_message_append_array.xml b/man/sd_bus_message_append_array.xml
index b9595d6a0a..d81ddc558f 100644
--- a/man/sd_bus_message_append_array.xml
+++ b/man/sd_bus_message_append_array.xml
@@ -34,7 +34,7 @@
int sd_bus_message_append_array
sd_bus_message *m
char type
- char void *ptr
+ void *ptr
size_t size