fixed grammar, refs #3

Author: mlliarm

Diff for: README.md

@@ -31,7 +31,7 @@ Both programs plot the distributions of the eigenvalues of the given `A(N,s)` fo
 ## Results
 The results agree with the results presented in the paper [1]. The distribution of the eigenvalues in some cases follow the curve of a cardioid as expected. For various other values of `N` and `s` different shapes are being created. See inside the images directory for more examples.
 
-## Prerequisites
+## Dependencies
 
 * Python3
 * Cython