[PATCH] Document digits for immediate resync

[Smylers]

Document that with the Blinkenlights UI, it's possible to make an account
resync straight away.

This feature already exists, and is mentioned in the FAQ.

Signed-off-by: Smylers <Smylers at stripey.com>
---
 docs/MANUAL.rst |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/MANUAL.rst b/docs/MANUAL.rst
index 96d5d91..538ad69 100644
--- a/docs/MANUAL.rst
+++ b/docs/MANUAL.rst
@@ -137,6 +137,11 @@ indicate what task the particular thread is performing, and are as follows:
 * Red / Black Flashing:
     corresponds to the countdown timer that runs between synchronizations.
 
+With the Blinkenlights UI you can instigate synchronizing an account
+immediately, without waiting for the countdown to reach zero. Each account's
+row in the display is labelled with a digit at the far left, counting upwards
+from 0 for the first account in the bottom row. Simply press the relevant digit
+to synchronize an account.
 
 The name of this interfaces derives from a bit of computer history.  Eric
 Raymond's Jargon File defines blinkenlights, in part, as:
-- 
1.7.10.4