Update README.md

README.md

@@ -13,7 +13,7 @@ Therefore, the system and user utterances, the active intents, and the services
 In addition to the data present in version 2.2, this dataset contains
 the annotations from versions 2.1, 2.3, and 2.4 for each dialogue turn.
 This dataset is an artefact of the paper [Diable: Efficient Dialogue State Tracking as Operations on Tables
- (Lesci et al. 2023)](https://arxiv.org/abs/2305.17020).
+ (Lesci et al., 2023)](https://arxiv.org/abs/2305.17020).
 
 
 ## Data Format