diff --git a/rtfd/public/ffmpeg/snippets.rst b/rtfd/public/ffmpeg/snippets.rst
index 9514416..cff048a 100644
--- a/rtfd/public/ffmpeg/snippets.rst
+++ b/rtfd/public/ffmpeg/snippets.rst
@@ -94,8 +94,20 @@ Closest I frames
  -codec copy \
  -y output.mkv
 
-Change speed
-============
+Filter
+======
+
+* comma separated
+
+Crop
+----
+
+.. code:: shell
+
+ -filter:v "crop=1280:720:0:0"
+
+Speed
+-----
 
 .. code:: shell