docs: typo in AID readme

Author: danielpeintner

packages/td-tools/src/util/README.md

@@ -103,4 +103,4 @@ example();
 Note: make sure that the file `counterHTTP.json` is in the same folder as the script.
 
 `node td-to-aid.js`
-... will show the online counter im AAS/AID JSON format (compliant with AAS V3.0 and can be imported by AASX Package Explorer).
+... will show the online counter in AAS/AID JSON format (compliant with AAS V3.0 and can be imported by AASX Package Explorer).