[FFmpeg-cvslog] doc/protocols: Fix usefull typo

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Tue Sep  8 23:42:19 2015 +0200| [6bda0f6638eb5c7724be54381d7fcaf96fec1111] | committer: Michael Niedermayer

doc/protocols: Fix usefull typo

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6bda0f6638eb5c7724be54381d7fcaf96fec1111
---

 doc/protocols.texi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/protocols.texi b/doc/protocols.texi
index ea5c531..65b1760 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -261,7 +261,7 @@ operation. By default it is set to -1, which means that the timeout is
 not specified.
 
 @item reconnect_at_eof
-If set then eof is treated like an error and causes reconnection, this is usefull
+If set then eof is treated like an error and causes reconnection, this is useful
 for live / endless streams.
 
 @item reconnect_streamed