diff --git a/doc/examples/muxing.c b/doc/examples/muxing.c
index aea3197b4d..3acb778322 100644
--- a/doc/examples/muxing.c
+++ b/doc/examples/muxing.c
@@ -629,10 +629,6 @@ int main(int argc, char **argv)
         }
     }
 
-    /* Write the trailer, if any. The trailer must be written before you
-     * close the CodecContexts open when you wrote the header; otherwise
-     * av_write_trailer() may try to use memory that was freed on
-     * av_codec_close(). */
     av_write_trailer(oc);
 
     /* Close each codec. */