Remove unused aid parameter

diff --git a/video/ff_encode b/video/ff_encode
index 2306f8cf1a64d26cf0f2b81510e3c3a7547ff1f0..275417cf0688a4470a2d03b9927fc6feaa3cbcc9 100755 (executable)
--- a/video/ff_encode
+++ b/video/ff_encode
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 if [ -z "$1" ]; then
-   echo "Usage: [vcodec=s] [vbitrate=n] [vscale=s] [aid=n] [acodec=s] [abitrate=n] [ascale=s] [pass=n] [input_opts=input_opts] [output_opts=output_opts] $0 input [output]"
+   echo "Usage: [vcodec=s] [vbitrate=n] [vscale=s] [acodec=s] [abitrate=n] [ascale=s] [pass=n] [input_opts=input_opts] [output_opts=output_opts] $0 input [output]"
    exit 1
 fi