link to tutorial added to README.md

tutorials/tutorial_unitary_event_analysis/README.md

@@ -2,7 +2,7 @@
 
 This folder contains the data used in Unitary Event Analyses (see \[1-6\]).
 
-Refer to the Tutorial (_ add link here _)
+Refer to the [tutorial](https://elephant.readthedocs.io/en/latest/tutorials/unitary_event_analysis.html) for more information.
 
 License: [CC-BY 4.0](LICENSE)
 
@@ -14,5 +14,4 @@ License: [CC-BY 4.0](LICENSE)
 3. S. Grün, M. Diesmann, and A. Aertsen. Unitary events in multiple single-neuron spiking activity: i. detection and significance. Neural Comp., 14(1):43–80, 2002. doi:10.1162/089976602753284455.
 4. S. Grün, M. Diesmann, and A. Aertsen. Unitary events in multiple single-neuron spiking activity: ii. nonstationary data. Neural Comp., 14(1):81–119, 2002. doi:10.1162/089976602753284464.
 5. S. Grün, A. Riehle, and M. Diesmann. Effects across trial non-stationarity on joint-spike events. Biol. Cyb., 88(5):335–51, 2003. doi:10.1007/s00422-002-0386-2.
-6. S. Grün. Data-driven significance estimation of precise spike correlation. J. Neurophysiol., pages 1126–1140, 2009. doi:10.1152/jn.00093.2008.
-
+6. S. Grün. Data-driven significance estimation of precise spike correlation. J. Neurophysiol., pages 1126–1140, 2009. doi:10.1152/jn.00093.2008.