updated README.md

README.md

@@ -74,7 +74,7 @@ In addition to the information in this README, several detailed tutorials are pr
    
     - [Disclaimer](https://huggingface.co/datasets/cdoswald/SPIDER#disclaimer)
   
-    - [Known Issues/Bugs](https://huggingface.co/datasets/cdoswald/SPIDER#known-issues-bugs)
+    - [Known Issues/Bugs](https://huggingface.co/datasets/cdoswald/SPIDER#known-issuesbugs)
 
 <br>
 
@@ -235,7 +235,7 @@ An additional hidden test set provided by the paper authors
 Note that all images are rescaled to have pixel intensities in the range `[0, 255]` (i.e., unsigned 8-bit integers)
 for compatibility with the HuggingFace `datasets` library. If you want to use the original resolution, you can
 load the original images from the local cache indicated in each example's `image_path` and `mask_path` features.
-See the data loading [tutorial](tutorials/load_data.ipynb) for more information.
+See the [tutorial](tutorials/load_data.ipynb) for more information.
 
 # Additional Information
 
@@ -252,4 +252,8 @@ The dataset is published under a CC-BY 4.0 license: https://creativecommons.org/
 I am not affiliated in any way with the aforementioned paper, researchers, or organizations. Please validate any findings using this curated dataset
 against the original data provided by the researchers on [Zenodo](https://zenodo.org/records/8009680).)
 
-### Known Issues/Bugs
+### Known Issues/Bugs
+
+1. Serializing data into Apache Arrow format (required to load dataset via HuggingFace's `datasets` library) introduces some segmentation
+mask integer values that do not map exactly to an anatomical feature. See the data loading [tutorial](tutorials/load_data.ipynb) for more information
+and temporary work-arounds.