fix cvt-arch in readme (#13)

README.md

@@ -10,13 +10,13 @@ This is an official implementation of [CvT: Introducing Convolutions to Vision T
 | CvT-13 | 224x224    | 20M   | 4.5    | 81.6  |
 | CvT-21 | 224x224    | 32M   | 7.1    | 82.5  |
 | CvT-13 | 384x384    | 20M   | 16.3   | 83.0  |
-| CvT-32 | 384x384    | 32M   | 24.9   | 83.3  |
+| CvT-21 | 384x384    | 32M   | 24.9   | 83.3  |
 
 ## Models pre-trained on ImageNet-22k
 | Model   | Resolution | Param | GFLOPs | Top-1 |
 |---------|------------|-------|--------|-------|
 | CvT-13  | 384x384    | 20M   | 16.3   | 83.3  |
-| CvT-32  | 384x384    | 32M   | 24.9   | 84.9  |
+| CvT-21  | 384x384    | 32M   | 24.9   | 84.9  |
 | CvT-W24 | 384x384    | 277M  | 193.2  | 87.6  |
 
 You can download all the models from our [model zoo](https://1drv.ms/u/s!AhIXJn_J-blW9RzF3rMW7SsLHa8h?e=blQ0Al).