MAINTAINERS: clarify the expected format in the document header

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Patch/commit split by commiter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

MAINTAINERS

@@ -7,8 +7,8 @@ FFmpeg code.
 Please try to keep entries where you are the maintainer up to date!
 
 Names in () mean that the maintainer currently has no time to maintain the code.
-A CC after the name means that the maintainer prefers to be CC-ed on patches
-and related discussions.
+A (CC <address>) after the name means that the maintainer prefers to be CC-ed on
+patches and related discussions.
 
 
 Project Leader