Correct env var names

and add a note about priority

diff --git a/docs/reference/gio/overview.xml b/docs/reference/gio/overview.xml
index 1a1ff02..1ea2571 100644 (file)
--- a/docs/reference/gio/overview.xml
+++ b/docs/reference/gio/overview.xml
@@ -296,21 +296,29 @@
     </formalpara>
 
    <formalpara>
-      <title><envar>DBUS_SYSTEM_ADDRESS</envar></title>
+      <title><envar>DBUS_SYSTEM_BUS_ADDRESS</envar></title>
 
       <para>
         This variable is consulted to find the address of the D-Bus system
         bus. For the format of D-Bus addresses, see the D-Bus
         <ulink url="http://dbus.freedesktop.org/doc/dbus-specification.html#addresses">specification</ulink>.
       </para>
+      <para>
+        Setting this variable overrides platform-specific ways of determining
+        the system bus address.
+      </para>
    </formalpara>
 
    <formalpara>
-      <title><envar>DBUS_SESSION_ADDRESS</envar></title>
+      <title><envar>DBUS_SESSION_BUS_ADDRESS</envar></title>
 
       <para>
         This variable is consulted to find the address of the D-Bus session bus.
       </para>
+      <para>
+        Setting this variable overrides platform-specific ways of determining
+        the session bus address.
+      </para>
    </formalpara>
 
    <formalpara>