Update README.md

README.md

@@ -89,7 +89,7 @@ For the experiments in this paper, we split the dataset into five distinct folds
 To simulate the use case of the ASR system being confronted with a new class of learners, each fold
 contains data from a mix of grades. The following figure visualises the duration and grade distribution of each fold.
 
-![Chall Folds](/chall_data_folds_v1.svg)
+![Chall Folds](/doc/chall_data_folds_v1.svg)
 
 ## Dataset Creation