Update Exercise1_NeuroMorpho_to_OSB.md

Author: pgleeson

Exercises/Exercise1_NeuroMorpho_to_OSB.md

@@ -1,8 +1,14 @@
-## NeuroMorpho to OSB
+## Cell morphology from NeuroMorpho visualised on Open Source Brain
 
- - Download morphology from Neuromorpho in NeuroML 2 format
+### Local software requirements
+
+None, apart from an up to date web browser 
+
+### Instructions
+
+1. Download morphology from Neuromorpho in NeuroML 2 format
 
- ... 
+Pick a cell, e.g. [this one](http://neuromorpho.org/neuron_info.jsp?neuron_name=A1-May29-IR2-3-G)
 
  - Set up user account on GitHub