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-rw-r--r--doc/filters.texi6
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index cd52680d65..1c1510eb7f 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6445,9 +6445,11 @@ The main purpose of setting @option{mp} to a chroma plane is to reduce CPU
load and make pullup usable in realtime on slow machines.
@end table
-For example to inverse telecined NTSC input:
+For best results (without duplicated frames in the output file) it is
+necessary to change the output frame rate. For example, to inverse
+telecine NTSC input:
@example
-pullup,fps=24000/1001
+ffmpeg -i input -vf pullup -r 24000/1001 ...
@end example
@section removelogo