Fix mistake on prompt

lexitron2_etlex_finetune.qwen2.txt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0822f3d39370a7641633ba31720e174a83bac6aa809f8e9806bba04e6c54d0c6
-size 49176006
+oid sha256:b39446598adc66ab0fb90af377c8f1949f90531e235965d604df416178537ff6
+size 49092774