add more info to cutvis help text

.config/zsh/functions/cutvid

@@ -19,8 +19,10 @@ if [[ ${#o_help} -ne 0 || ! -v 2 || ${#o_from} -ne 2 || ${#o_to} -ne 2 ]]; then
           "--from <HH:MM:SS.MMM> --to <HH:MM:SS.MMM>" \
           "[--vencoder <ENCODER>] [--aencoder <ENCODER>] [--hardcode-subs]" \
           "<INPUT FILE> <OUTPUT FILE> [FFMPEG OPTIONS]"
-    print -l "\e[3mYou can set bitrates with -b:v and -b:a in FFMPEG OPTIONS" \
-          "Visit <https://trac.ffmpeg.org/wiki#Encoding> for tips\e[0m"
+    print "\e[3mYou can set bitrates with -b:v and -b:a in FFMPEG OPTIONS." \
+        "The -vn / -an / -sn / -dn options can be used to skip inclusion of" \
+        "video, audio, subtitle and data streams respectively."
+    print "Visit <https://trac.ffmpeg.org/wiki#Encoding> for tips\e[0m"
     return ${ret}
 fi