Correct the ack to Freepik for their kind support!

README.md

@@ -217,17 +217,18 @@ Go to my GitHub page for BiRefNet codes and the latest updates: https://github.c
 
 ## Acknowledgement:
 
-+ Many thanks to @fal for their generous support on GPU resources for training better BiRefNet models.
-+ Many thanks to @not-lain for his help on the better deployment of our BiRefNet model on HuggingFace.
++ Many thanks to @freepik for their generous support on GPU resources for training this model!
 
 
 ## Citation
 
 ```
-@article{BiRefNet,
+@article{zheng2024birefnet,
   title={Bilateral Reference for High-Resolution Dichotomous Image Segmentation},
   author={Zheng, Peng and Gao, Dehong and Fan, Deng-Ping and Liu, Li and Laaksonen, Jorma and Ouyang, Wanli and Sebe, Nicu},
   journal={CAAI Artificial Intelligence Research},
+  volume = {3},
+  pages = {9150038},
   year={2024}
 }
 ```