Trivial change for demo.

Author: samcunliffe

README.md

@@ -10,6 +10,8 @@ would be duplicated) everything else in README.md is also the project homepage.
 
 # Time-Domain Maxwell Solver
 
+Hello!
+
 TDMS, the Time Domain Maxwell Solver, is a hybrid C++ and MATLAB tool for simulating light propagation through a medium by solving Maxwell's equations.
 For further details about the method, please refer to the [PDF documentation](https://github.com/UCL/TDMS/blob/gh-doc/masterdoc.pdf).