update README

README.md

@@ -60,8 +60,9 @@ task_ids:
 #### Abstracts
 - **Size of downloaded dataset files:** 112 MB
 - **Size of the generated dataset:** 884 MB
-- **Total amount of disk used:** 996 MB
-An example of 'abstract' looks as follows.
+- **Total amount of disk used:** 996 MB   
+
+An example of 'abstract' looks as follows.   
 ```
 {"inputs_pretokenized": "The name Austroasiatic comes from the Latin words for \"south\" and \"Asia\", hence \"<extra_id_0>\".", 
  "targets_pretokenized": "<extra_id_0> South Asia", 
@@ -75,8 +76,10 @@ An example of 'abstract' looks as follows.
 #### Queries
 - **Size of downloaded dataset files:** 1.7 MB
 - **Size of the generated dataset:** 8.9 MB
-- **Total amount of disk used:** 10.6 MB
-An example of 'query' looks as follows.
+- **Total amount of disk used:** 10.6 MB   
+
+An example of 'query' looks as follows.   
+
 ```
 {"inputs_pretokenized": "Paul Ehrlich used to work in <extra_id_0> .", 
 "targets_pretokenized": "<extra_id_0> Frankfurt", 
@@ -89,7 +92,8 @@ An example of 'query' looks as follows.
 ```
 
 ### Data Fields
-The data fields are the same among all splits.
+The data fields are the same among all splits.   
+
 #### Abstracts
 - `inputs_pretokenized`: a string feature.
 - `targets_pretokenized`: a string feature.