diff --git a/README.md b/README.md
index a7ee3b6..aa5166e 100644
--- a/README.md
+++ b/README.md
@@ -239,7 +239,7 @@ uv sync
 uv run winnow
 ```
 
-Requires Python 3.13+ and [uv](https://astral.sh/uv/). An NVIDIA GPU is strongly recommended — CPU mode works but embedding computation is significantly slower.
+Requires Python 3.13+ and [uv](https://astral.sh/uv/). An NVIDIA GPU is strongly recommended — CPU mode works but embedding computation is slower (typically tens of seconds per person vs under a second on GPU).
 
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