prerequisites.md

@@ -10,7 +10,7 @@
  * Swig
  * Python and Numpy
 
-* For visualisation:
+* For visualization:
   * Python VTK module
   * Paraview
 
@@ -21,12 +21,12 @@
   * Graphviz
   * dvipng
 
-* To read the tutorials:
+* To play with the tutorials:
   * Jupyter
   * iPython
 
 
-# Installing the depenencies #
+# Installing the dependencies #
 
 * [Linux] (linux_dependencies_install)
 * [MacOs] (macos_dependencies_install)