doc/filter_design.txt: Fix duplicate words

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-12 19:40:29 +02:00
parent 53f309c617
commit e1c44be802

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@ -166,7 +166,7 @@ Buffer references ownership and permissions
WRITE permission.
* Filters that read their input to produce a new frame on output (like
scale) need the READ permission on input and and must request a buffer
scale) need the READ permission on input and must request a buffer
with the WRITE permission.
* Filters that intend to keep a reference after the filtering process