Update doc/api/packages.md

Co-authored-by: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: arcanis

doc/api/packages.md

@@ -1122,7 +1122,7 @@ Package maps only apply to bare specifiers that are not Node.js builtin
 modules. The following cases are not affected by package maps and continue
 to use standard resolution:
 
-* Relative paths (`./` or `../`).
+* Relative paths or URLs (`./` or `../`).
 * Absolute paths or URLs.
 * Node.js builtin modules (`node:fs`, etc.).