Fix citation author in subset README

pointerbench-text/README.md

@@ -210,7 +210,7 @@ the [source repo](https://github.com/warmwindOS/pointerbench); see
 ```bibtex
 @misc{pointerbench_text_2026,
   title  = {Pointerbench-Text: A GUI Grounding Benchmark for Text},
-  author = {Pointerbench-Text contributors},
+  author = {Maximilian Schilling and Warmwind AG},
   year   = {2026},
   url    = {https://github.com/warmwindOS/pointerbench}
 }