Apparently codespell doesn't know sting is a word? (ethereum#3488)

MicahZoltu · web-flow · commit a38af8f062da · 2021-04-12T15:14:00.000+08:00
Failure: https://travis-ci.org/github/ethereum/EIPs/jobs/766589226
diff --git a/.codespell-whitelist b/.codespell-whitelist
@@ -10,3 +10,4 @@ iam
 espace
 acn
 ende
+sting

-Original file line number
+Diff line change
 espace
 acn
 ende
 +sting