doc: Use the correct @subsection tag

makeinfo would otherwise refuse to build it.

diff --git a/doc/decoders.texi b/doc/decoders.texi
index c3573a6..99d2008 100644 (file)
--- a/doc/decoders.texi
+++ b/doc/decoders.texi
@@ -32,7 +32,7 @@ AC-3 audio decoder.
 This decoder implements part of ATSC A/52:2010 and ETSI TS 102 366, as well as
 the undocumented RealAudio 3 (a.k.a. dnet).
 
-@subsubsection AC-3 Decoder Options
+@subsection AC-3 Decoder Options
 
 @table @option