Update README.md

Update field description and license

README.md

@@ -1,7 +1,7 @@
 ---
 language:
 - en
-license: cc-by-nc-sa-4.0
+license: cc-by-sa-4.0
 size_categories:
 - 100K<n<1M
 task_categories:
@@ -55,7 +55,7 @@ configs:
     path: data/train-*
 ---
 
-# Material Contracts (Exhibit 10) from SEC
+# Material Contracts (Exhibit 10) from SEC/EDGAR
 
 ## Table of Contents
 - [Dataset Card Creation Guide](#dataset-card-creation-guide)
@@ -97,7 +97,7 @@ configs:
 
 ### Dataset Summary
 
-827437 material contracts (Exhibit 10) collected from sec.gov, specifically from 10-k, 10-Q, and 8-K, ranging from 1994 to Jan 2024. Exhibit 10 consists of a large collection of legal agreements and contracts. 
+930120 material contracts (Exhibit 10) collected from sec.gov (EDGAR), specifically from 10-k, 10-Q, and 8-K, ranging from 1994 to Jan 2024. Exhibit 10 consists of a large collection of legal agreements and contracts. 
 
 ### Supported Tasks and Leaderboards
 
@@ -120,6 +120,22 @@ Please refer to the data viewer for examples.
 
 Please refer to the data viewer for examples.
 
+- 'index_html_url': filing index page
+- 'index_text_url': filing index text page
+- 'cik': Central Index Key from EDGAR
+- 'name': Company name
+- 'type': filing type
+- 'date': filing date
+- 'seq': seq number in in the filing
+- 'desc': description provided from the filing
+- 'doc_type': document type (e.g. EX-10)
+- 'size': document size
+- 'filename': document name
+- 'file_url': document page url
+- 'file': GCS file uri (private)
+- '__index_level_0__': ignore
+- 'file_content': text content or base64 string of the binary content
+
 
 ### Data Splits
 
@@ -185,7 +201,7 @@ NA
 
 ### Licensing Information
 
-[Attribution-NonCommercial-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-nc-sa/4.0/)
+[Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/)
 
 ### Citation Information
 
@@ -193,6 +209,4 @@ NA
 
 ### Contributions
 
-NA
-
-
+NA