Update 3 4 control perspective

3-4-control-perspective.md

@@ -10,7 +10,7 @@ After adding a new layer or selecting a layer from the list, **Rendering Pane**
 * **Zoom** : Scroll mouse wheel up/down to zoom in/out. For finer adjustments, scroll with *Ctrl* key pressed.
 * **Rotate** : Press and hold left mouse button, and drag.
 * **Pan** : Press and hold right mouse button, and drag.
-* **Zoom fit** : Click _Zoom Fit_ menu button in order to return to the default camera position with a zoom level fitted to the entire scene.
+* **Zoom Fit** : Click _Zoom Fit_ menu button in order to return to the default camera position with a zoom level fitted to the entire scene.
 
       ![](img/3-4-zoom-fit.png)