Update README.md

Author: simontomaskarlsson

README.md

@@ -29,7 +29,7 @@ python UNIT.py
 
 ### Result GIFs - 304x256 pixel images  
 **Left:** Input image. **Middle:** Synthetic images generated during training. **Right:** Ground truth.  
-Histograms show pixel value distributions for synthetic images (blue) compared to ground truth (brown).  (An updated image normalization, present in the current version of this repo, has fixed the intensity error seen in these results.) 
+Histograms show pixel value distributions for synthetic images (blue) compared to ground truth (brown).<br/>(An updated image normalization, present in the current version of this repo, has fixed the intensity error seen in these results.) 
 
 
 #### CycleGAN - T1 to T2