Fix typo on 10X tutorial

Author: Carmen Bravo

README.md

@@ -21,4 +21,4 @@ RcisTarget feather databases are available at [https://resources.aertslab.org/ci
 
 ## Tutorials
   - [Basic tutorial on simulated single cell epigenomes from melanoma cell lines](https://rawcdn.githack.com/aertslab/cisTopic/f628c6f60918511ba0fa4a85366ebf52db5940f7/vignettes/CompleteAnalysis.html).
-  - [10X tutorial on the 5k PBMC data set from 10X](https://rawcdn.githack.com/aertslab/cisTopic/f628c6f60918511ba0fa4a85366ebf52db5940f7/vignettes/10X_workflow.html).
+  - [10X tutorial on the 5k PBMC data set from 10X](https://rawcdn.githack.com/aertslab/cisTopic/86e54ce1aa8ebd1836ca8566eb361d1141a0462d/vignettes/10X_workflow.html).