add multilingual perf

README.md

@@ -65,7 +65,7 @@ The model achieves
 * mscoco 63.4% (vs 60.8% for baseline)
 * flickr30k 86.2% (vs 85.4% for baseline)
 
-This model also have multilingual performance.
+A preliminary multilingual evaluation was run: 43% on imagenet1k italian (vs 21% for english B/32), 37% for imagenet1k japanese (vs 1% for english B/32 and 50% for B/16 clip japanese). It shows the multilingual property is indeed there as expected. Larger models will get even better performance.
 
 ![metrics](metrics.png)