Update doc/api/util.md

Co-authored-by: Luigi Pinca <luigipinca@gmail.com>
nodejs · nodejs-github-bot · Mar 18, 2023 · Feb 25, 2023 · Feb 26, 2023 · Feb 26, 2023
commit 46a1a982180570b81da24a70fc18f8aadfad1df6
diff --git a/doc/api/util.md b/doc/api/util.md
@@ -2545,7 +2545,7 @@ console.log(util.types.isNativeError(myError)); // true
 console.log(myError instanceof Error); // false
 ```
 
-Conversely, `isNativeError()` returns `false` for all objects which where not
+Conversely, `isNativeError()` returns `false` for all objects which were not
 returned by the constructor of a native error. That includes values
 which are `instanceof` native errors: