doc: packages: example of private import switch to internal

PR-URL: #61343
Reviewed-By: Aviv Keller <me@aviv.sh>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Author: coderaiser

doc/api/packages.md

@@ -620,7 +620,7 @@ import featureY from 'es-module-package/features/y/y.js';
 // Loads ./node_modules/es-module-package/src/features/y/y.js
 
 import internalZ from '#internal/z.js';
-// Loads ./node_modules/es-module-package/src/internal/z.js
+// Loads ./src/internal/z.js
 ```
 
 This is a direct static matching and replacement without any special handling