README typo

README.md

@@ -10,7 +10,7 @@ This is an extension of [brainchop](https://github.com/neuroneural/brainchop) th
 2. **Option 1** The web page automatically loads with a default T1 MRI scan. If you want to use this scan, go to step 5.
 3. **Option 2** If your T1 MRI scan is in NIfTI format, drag and drop the file onto the web page.
 4. **Option 3** If your image is in DICOM format, it may load if you drag and drop the files. If this fails, convert your images with [dcm2niix](https://github.com/rordenlab/dcm2niix).
-5. Segment your brain scan by choosing a model from the `Segmentation Model` pull-down menu. Not all models with with all graphics cards. The `Tissue GWM (High Acc, Low Mem)` is a good starting point. Hopefully, it will accurately segment your brain into gray matter, white matter and cerebral spinal fluid.
+5. Segment your brain scan by choosing a model from the `Segmentation Model` pull-down menu. Not all models work with all graphics cards. The `Tissue GWM (High Acc, Low Mem)` is a good starting point. Hopefully, it will accurately segment your brain into gray matter, white matter and cerebral spinal fluid.
 6. Press the `Create Mesh` button and select your preferred settings:
 
   - ![settings dialog](Settings.png)