diff --git a/doc/filters.texi b/doc/filters.texi
index cc5d0d3f12..28458893e8 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -13498,6 +13498,12 @@ Draw black box on top left part of video frame of size 100x100 with drawbox filt
 @example
 [in][blurin]feedback=x=0:y=0:w=100:h=100[out][blurout];[blurout]drawbox=x=0:y=0:w=100:h=100:t=100[blurin]
 @end example
+
+@item
+Pixelize rectangular part of video frame of size 100x100 with pixelize filter.
+@example
+[in][blurin]feedback=x=320:y=240:w=100:h=100[out][blurout];[blurout]pixelize[blurin]
+@end example
 @end itemize
 
 @section fftdnoiz