[telepathy-spec/master] Add "MAY try again" to ResourceUnavailable error as per spec cabal review

[Simon McVittie]

---
 spec/errors.xml |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/spec/errors.xml b/spec/errors.xml
index 2770e1c..f32acea 100644
--- a/spec/errors.xml
+++ b/spec/errors.xml
@@ -385,7 +385,8 @@
   <tp:error name="Resource Unavailable">
     <tp:docstring>
       Raised if a request cannot be satisfied because a process local to the
-      user has insufficient resources.
+      user has insufficient resources. Clients MAY try again
+      later.
 
       <tp:rationale>
         For instance, the <tp:dbus-ref
-- 
1.5.6.5