Update README.md

lemire · aldanor · web-flow · commit c37d2e926211 · 2021-01-30T15:59:46.000-05:00
Co-authored-by: Ivan Smirnov &lt;aldanor@users.noreply.github.com&gt;
diff --git a/README.md b/README.md
@@ -179,7 +179,7 @@ AMD Rome, Linux, Rust 1.49.
 
 <br>
 
-#### Reference
+#### References
 
 - Daniel Lemire, [Number Parsing at a Gigabyte per Second](https://arxiv.org/abs/2101.11408), arXiv:2101.11408
 
