diff --git a/libvirt-override-api.xml b/libvirt-override-api.xml
index 1bceb05..337d0a0 100644
--- a/libvirt-override-api.xml
+++ b/libvirt-override-api.xml
@@ -100,7 +100,7 @@
       <arg name='flags' type='unsigned int' info='flags, currently unused, pass 0.'/>
     </function>
     <function name='virNodeGetInfo' file='python'>
-      <info>Extract hardware information about the Node.</info>
+      <info>Extract hardware information about the Node. Note that the memory size is reported in MiB instead of KiB.</info>
       <return type='char *' info='the list of information or None in case of error'/>
       <arg name='conn' type='virConnectPtr' info='pointer to the hypervisor connection'/>
     </function>