Update README.md

README.md

@@ -13,7 +13,7 @@ TravelBench comprises 1,225 queries in total. The number of days and hard constr
 
 ## Split
 
-<b>Train Set</b>: 5 queries with corresponding human-annotated plans for group, resulting in a total of 45 query-plan pairs. This set provides the human annotated plan as demonstrations for in-context learning.
+<b>Train Set</b>: 5 queries with corresponding human-annotated plans for group, resulting in a total of 45 query-plan pairs. This set provides the human annotated plans as demonstrations for in-context learning.
 
 <b>Validation Set</b>: 20 queries from each group, amounting to 180 queries in total. There is no  human annotated plan in this set.