Updated Dataset info

README.md

@@ -118,19 +118,33 @@ session = fo.launch_app(dataset)
 ## Dataset Structure
 
 <!-- This section provides a description of the dataset fields, and additional information about the dataset structure such as criteria used to create the splits, relationships between data points, etc. -->
+
+```
+Name:        usps
+Media type:  image
+Num samples: 9298
+Persistent:  False
+Tags:        []
+Sample fields:
+    id:           fiftyone.core.fields.ObjectIdField
+    filepath:     fiftyone.core.fields.StringField
+    tags:         fiftyone.core.fields.ListField(fiftyone.core.fields.StringField)
+    metadata:     fiftyone.core.fields.EmbeddedDocumentField(fiftyone.core.metadata.ImageMetadata)
+    ground_truth: fiftyone.core.fields.EmbeddedDocumentField(fiftyone.core.labels.Classification)
+```
+
 The dataset has 2 splits: "train" and "test". Samples are tagged with their split.
 
 ## Dataset Creation
 
 Introduced by Jonathan J. Hull in [A Database for Handwritten Text Recognition Research](https://ieeexplore.ieee.org/document/291440)
 
-
-## Citation [optional]
+## Citation
 
 <!-- If there is a paper or blog post introducing the dataset, the APA and Bibtex information for that should go in this section. -->
 
 **BibTeX:**
-
+```
 @ARTICLE{291440,
   author={Hull, J.J.},
   journal={IEEE Transactions on Pattern Analysis and Machine Intelligence}, 
@@ -141,7 +155,7 @@ Introduced by Jonathan J. Hull in [A Database for Handwritten Text Recognition R
   pages={550-554},
   keywords={Text recognition;Image databases;Testing;Cities and towns;Handwriting recognition;Gray-scale;Performance analysis;Writing;Digital images;Postal services},
   doi={10.1109/34.291440}}
-
+```
 
 ## More Information