Update README.md

README.md

@@ -109,8 +109,8 @@ The following fields are contained in the training set:
 
 | config | train|
 |-------:|-----:|
-|`main`  | 7740 |
-|`warmup`| 1080 |
+|`main`  | 7740 (107 docs i.e. 430 sents x 18 translators) |
+|`warmup`|  360 (5 docs i.e. 20 sents x 18 translators)    |
 
 #### Train Split