diff --git a/docs/benchmarks.md b/docs/benchmarks.md
index ba1b897..94364bf 100644
--- a/docs/benchmarks.md
+++ b/docs/benchmarks.md
@@ -5,4 +5,4 @@ Below are the results of crude benchmarks comparing *pydantic* to other validati
 See [the benchmarks code](https://github.com/samuelcolvin/pydantic/tree/master/benchmarks)
 for more details on the test case. Feel free to suggest more packages to benchmark or improve an existing one.
 
-Benchmarks were run with Python 3.8.6 and the package versions listed above installed via pypi on macOS Bug Sur.
+Benchmarks were run with Python 3.8.6 and the package versions listed above installed via pypi on macOS Big Sur.