DOC: Fix typo

Author: SebGoll

README.md

@@ -1,7 +1,7 @@
 # SlicerMultiverSeg
 
 MultiverSeg is a model that enables users to rapidly segment new biomedical imaging datasets. This extension add a
-segmentation effect using that uses MultiverSeg.
+segmentation effect that uses MultiverSeg.
 
 ## MultiverSeg segmentation effect
 
@@ -76,4 +76,4 @@ results might be suboptimal, but adding more example can slow down the predictio
 
 <img src="Screenshots/Demo_1.png" width=1000px/>
 <img src="Screenshots/Demo_2.png" width=1000px/>
-<img src="Screenshots/Demo_3.png" width=1000px/>
+<img src="Screenshots/Demo_3.png" width=1000px/>