Fix typo in train split name (#3751)

* Fix typo in README guide

* Fix split naming and table alignment in README guide

* Fix split naming and table alignment in all datasets

* Fix previously malformed dataset cards

* Fix previously malformed dataset cards

Commit from https://github.com/huggingface/datasets/commit/af6e54febe3b822118dfed28ddb797d8350e5d27

README.md

@@ -6,7 +6,7 @@ language_creators:
 languages:
 - he
 licenses:
-- gpl
+- agpl-3-0-or-later
 multilinguality:
 - monolingual
 size_categories:
@@ -110,11 +110,9 @@ Sample:
 
 ### Data Splits
 
-|                          | train  | 
-|--------------------------|--------|
-| corpus                   | 2028  |
-
-
+|        | train | 
+|--------|------:|
+| corpus |  2028 |
 
 ## Dataset Creation
 
@@ -191,7 +189,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 ### Citation Information
 
-[More Information Needed]
+https://thisworld.online/
 
 ### Contributions