doc: use serial comma in modules docs

tniessen · BethGriggs · commit 9629c7408027 · 2022-05-16T11:12:17.000+01:00
Refs: #11321 Refs: #17384 PR-URL: #43103 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
diff --git a/doc/api/modules.md b/doc/api/modules.md
@@ -562,7 +562,7 @@ wrapper that looks like the following:
 
 By doing this, Node.js achieves a few things:
 
-* It keeps top-level variables (defined with `var`, `const` or `let`) scoped to
+* It keeps top-level variables (defined with `var`, `const`, or `let`) scoped to
   the module rather than the global object.
 * It helps to provide some global-looking variables that are actually specific
   to the module, such as:
