Update README.md

README.md

@@ -16,7 +16,12 @@ This small programm should answer all these questions.
 6. Present these information in a nice plot
 7. Implement "smarphone functionality" e.g. find location via GPS and present a compas to adjust the camera correctly
 8. Insert open street map to plot everything direktly on a real map
-<span style="color: green">9. Make everything "real time"; Slide through time bar to see changes on the map instantly</span>
+9. Make everything "real time"; Slide through time bar to see changes on the map instantly
+10. 
+```diff
++ this text is highlighted in green
+- this text is highlighted in red
+```
 
 ## Formulas used