Update README

README.mdown

@@ -175,8 +175,10 @@ Handlers
   when it happens you will have the full information, including debug and info
   records. This provides you with all the information you need, but only when
   you need it.
-- _NullHandler_: Any record it can handle will be thrown away. This can be used
-  to put on top of an existing handler stack to disable it temporarily.
+- _WhatFailureGroupHandler_: This handler extends the _GroupHandler_ ignoring
+   exceptions raised by each child handler. This allows you to ignore issues
+   where a remote tcp connection may have died but you do not want your entire
+   application to crash and may wish to continue to log to other handlers.
 - _BufferHandler_: This handler will buffer all the log records it receives
   until `close()` is called at which point it will call `handleBatch()` on the
   handler it wraps with all the log messages at once. This is very useful to
@@ -188,12 +190,11 @@ Handlers
    to the wrapped handler.
 - _SamplingHandler_: Wraps around another handler and lets you sample records
    if you only want to store some of them.
+- _NullHandler_: Any record it can handle will be thrown away. This can be used
+  to put on top of an existing handler stack to disable it temporarily.
+- _PsrHandler_: Can be used to forward log records to an existing PSR-3 logger
 - _TestHandler_: Used for testing, it records everything that is sent to it and
   has accessors to read out the information.
-- _WhatFailureGroupHandler_: This handler extends the _GroupHandler_ ignoring
-   exceptions raised by each child handler. This allows you to ignore issues
-   where a remote tcp connection may have died but you do not want your entire
-   application to crash and may wish to continue to log to other handlers.
 
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