Docs: Fixed Typo (#14007)

Yash-Singh1 · web-flow · commit a4fdb7001aa4 · 2021-01-18T22:26:14.000+01:00
diff --git a/docs/rules/prefer-arrow-callback.md b/docs/rules/prefer-arrow-callback.md
@@ -86,7 +86,7 @@ foo(function() { this.a; });
 
 foo(function() { (() => this); });
 
-someArray.map(function(itm) { return this.doSomething(itm); }, someObject);
+someArray.map(function(item) { return this.doSomething(item); }, someObject);
 ```
 
 ## When Not To Use It
