[DLMED] update WSIReader for typos and docs
@@ -635,7 +635,11 @@ class PILReader(ImageReader):
class WSIReader(ImageReader):
"""
- Read whole slide imaging and extract patches
+ Read whole slide imaging and extract patches.
+
+ Args:
+ reader_lib: backend library to load the images, available options: "OpenSlide" or "cuClaraImage".
+ TODO: `cuClaraImage` package is unavailable so far, will enable the support later.
"""
