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-rw-r--r--doc/faq.texi2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/faq.texi b/doc/faq.texi
index 8c9d9ab7d8..03b8a17502 100644
--- a/doc/faq.texi
+++ b/doc/faq.texi
@@ -80,7 +80,7 @@ Use @file{-} as filename.
The audio is AC3 (a.k.a. A/52). AC3 decoding is an optional component in ffmpeg
as the component that handles AC3 decoding (liba52) is currently released under
the GPL. If you have liba52 installed on your system, enable AC3 decoding
-with @code{./configure --enable-a52}. Take care: by
+with @code{./configure --enable-a52 --enable-gpl}. Take care: by
enabling AC3, you automatically change the license of libavcodec from
LGPL to GPL.