diff --git a/lib/krb5/krb5_data.3 b/lib/krb5/krb5_data.3
index 08bde316f..4961bd17a 100644
--- a/lib/krb5/krb5_data.3
+++ b/lib/krb5/krb5_data.3
@@ -86,7 +86,9 @@ resets the content of
 .Pp
 .Fn krb5_data_free
 free the data in
-.Fa p .
+.Fa p
+and reset the content of the structure with
+.Fn krb5_data_zero .
 .Pp
 .Fn krb5_free_data_contents
 works the same way as