Shorten the acknowledgement

README.md

@@ -73,7 +73,7 @@ the 1,440 questions here. The remaining 2,014 are the withheld LapChole question
 ## Acknowledgements
 
 We are grateful to Dr. Todd S. Harris of California Hernia Specialists, who kindly allowed us
-to use twelve of his publicly available laparoscopic hernia-repair videos in this work. These
-videos provided the surgical-mesh examples in our training data. His permission covers
-non-commercial research use and the release of the annotated frames; the original videos
-remain his and are not redistributed. The video titles and links are listed in `SOURCES.md`.
+to use twelve of his publicly available laparoscopic hernia-repair videos in this work. His
+permission covers non-commercial research use and the release of the annotated frames; the
+original videos remain his and are not redistributed. The video titles and links are listed
+in `SOURCES.md`.