Changelog: fix wrong/inaccurate entries.

Changelog

@@ -38,13 +38,12 @@ Fixes:CVE-2012-2772, CVE-2012-2774, CVE-2012-2775, CVE-2012-2776, CVE-2012-2777,
 - MicroDVD decoder
 - Avid Meridien (AVUI) encoder and decoder
 - accept + prefix to -pix_fmt option to disable automatic conversions.
-- audio filters support in libavfilter and avconv
+- complete audio filtering in libavfilter and ffmpeg
 - add fps filter
 - audio split filter
 - vorbis parser
 - png parser
 - audio mix filter
-- avprobe output is now standard INI or JSON.
 
 version 0.10:
 - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,