[telepathy-doc/master] Small bit on supported types

[Davyd Madeley]

---
 docs/book/C/tubes.xml |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/docs/book/C/tubes.xml b/docs/book/C/tubes.xml
index 552ba62..12c49a1 100644
--- a/docs/book/C/tubes.xml
+++ b/docs/book/C/tubes.xml
@@ -435,6 +435,14 @@
    </para>
 
    <para>
+    Not all connection managers that support Stream Tubes support all
+    combinations of address type and access control. Connection managers
+    must at least offer IPv4 sockets with
+    <type>Socket_Access_Control_Localhost</type>, other supported methods
+    are listed in the <property>SupportedSocketTypes</property> property.
+   </para>
+
+   <para>
     The parameter map is the same as for D-Bus Tubes.
    </para>
 
-- 
1.5.6.5