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-rw-r--r--doc/filters.texi3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index b6ecbb1e5d..dbcf861fe9 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -4882,7 +4882,8 @@ scale=3/2*oh:3/5*ih
@end example
@item
-Increase the size, but make the size a multiple of the chroma:
+Increase the size, but make the size a multiple of the chroma
+subsample values:
@example
scale="trunc(3/2*iw/hsub)*hsub:trunc(3/2*ih/vsub)*vsub"
@end example