Index: src/libvirt.c
===================================================================
RCS file: /data/cvs/libvirt/src/libvirt.c,v
retrieving revision 1.155
diff -u -r1.155 libvirt.c
--- src/libvirt.c	2 Sep 2008 15:00:09 -0000	1.155
+++ src/libvirt.c	3 Sep 2008 16:16:47 -0000
@@ -1878,7 +1878,9 @@
  *
  * Get the hypervisor ID number for the domain
  *
- * Returns the domain ID number or (unsigned int) -1 in case of error
+ * Returns the domain ID number or (unsigned int) -1 if the domain is
+ * not running.  If @domain is NULL or its memory is corrupted
+ * then this can also return (unsigned int) -1.
  */
 unsigned int
 virDomainGetID(virDomainPtr domain)