add support to background upsampler for face enhancement

README.md

@@ -61,7 +61,7 @@
 ## <a name="update"></a>:new:Update
 
 
-- **2023.09.14**：Add support for background upsampling using DiffBIR/[RealESRGAN](https://github.com/xinntao/Real-ESRGAN) in face enhancement! :rocket:[**Try it!** >](#unaligned_face_inference)
+- **2023.09.14**：Add support for background upsampler(DiffBIR/[RealESRGAN](https://github.com/xinntao/Real-ESRGAN)) in face enhancement! :rocket: [**Try it!** >](#unaligned_face_inference)
 - **2023.09.13**: Provide online demo (DiffBIR-official) in [OpenXLab](https://openxlab.org.cn/apps/detail/linxinqi/DiffBIR-official), which integrates both general model and face model. Please have a try! [camenduru](https://github.com/camenduru) also implements an online demo, thanks for his work.:hugs:
 - **2023.09.12**: Upload inference code of latent image guidance and release [real47](inputs/real47) testset.
 - **2023.09.08**: Add support for restoring unaligned faces.