Update README.md

README.md

@@ -187,12 +187,12 @@ The original r1 TTM models were trained on a collection of datasets from the Mon
  - US Births: https://zenodo.org/records/4656049 
  - Wind Farms Production data: https://zenodo.org/records/4654858 
  - Wind Power: https://zenodo.org/records/4656032
-In addition to the above datasets, the updated TTM model r2 was trained on the following:
+In addition to the above datasets, the updated TTM model (512-96-r2) was trained on the following:
  - PEMSD3, PEMSD4, PEMSD7, PEMSD8, PEMS_BAY: https://drive.google.com/drive/folders/1g5v2Gq1tkOq8XO0HDCZ9nOTtRpB6-gPe
  - LOS_LOOP: https://drive.google.com/drive/folders/1g5v2Gq1tkOq8XO0HDCZ9nOTtRpB6-gPe
 
 
-## Citation [optional]
+## Citation
 Kindly cite the following paper, if you intend to use our model or its associated architectures/approaches in your 
 work