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diff --git a/futatabi.rst b/futatabi.rst
index a8371ac..cb7c0db 100644
--- a/futatabi.rst
+++ b/futatabi.rst
@@ -265,6 +265,11 @@ from frame to frame; this is because for original (uninterpolated) frames,
 Futatabi will simply output the received JPEG frame directly to the output
 stream, which can be a different resolution from the interpolated frames.
 
+Also, even though Futatabi exists to make a fixed-framerate stream out of
+something that's not, the output stream can be variable-framerate (VFR) due to
+pauses and frame drops. In particular, when the stream is paused, frames are
+only output about every 100 milliseconds.
+
 Finally, the subtitle track with status information (see :ref:`talkback`) is
 not marked as metadata due to FFmpeg limitations, and as such will show up
 raw in subtitle-enabled players.