Update README.md

README.md

@@ -11,6 +11,6 @@ It appeared that sliders are not suitable for the range of discretisation step,
 | Code with sliders for K and delta_h | Code with sliders for K and TextBox for delta_h  |
 | ------ | ------ |
 | ![screenshot](/screenshots/Subcritical_backwater.PNG) | ![screenshot](/screenshots/BackwaterDemoTextBox_impossible.png) |
-| <i> K such as computation is possible </i> | <i> K such as computation is _impossible (hn < hc)_ </i>  |
+| <i>  with default values for K and delta_h : computation is possible</i> | <i> K and delta_h were changed ; K such as computation is _impossible (hn < hc)_ </i>  |