Refine preexisting entry (#1926)

codespell_lib/data/dictionary.txt

diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index d3d11f3..4068986 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -4082,7 +4082,7 @@
 bouyancy->buoyancy
 bouyant->buoyant
 boxe->boxes, box, boxer,
-boxs->box
+boxs->boxes, box,
 boyant->buoyant
 boycot->boycott
 bracese->braces