diff --git a/pages/common/ffmpeg.md b/pages/common/ffmpeg.md
index d3807e204..7334d70d0 100644
--- a/pages/common/ffmpeg.md
+++ b/pages/common/ffmpeg.md
@@ -28,4 +28,4 @@
 
 - Convert MP4 video to VP9 codec. For the best quality, use a CRF value (recommended range 15-35) if so, -b:video MUST be 0:
 
-`ffmpeg -i {{input_video}}.mp4 -codec:video libvpx-vp9 -crf 30 -b:video 0 -codec:audio libopus -vbr on -threads {{number_of_threads}} {{output_video}}.webm`
+`ffmpeg -i {{input_video}}.mp4 -codec:video libvpx-vp9 -crf {{30}} -b:video 0 -codec:audio libopus -vbr on -threads {{number_of_threads}} {{output_video}}.webm`