corrected mistake in polish model cards (#3611)

* added model_cards for polish squad models

* corrected mistake in polish design cards
Co-authored-by: Henryk Borzymowski <henryk.borzymowski@pwc.com>

model_cards/henryk/bert-base-multilingual-cased-finetuned-polish-squad1/README.md

@@ -4,7 +4,7 @@ language: polish
 
 # Multilingual + Polish SQuAD1.1
 
-This model is the multilingual model provided by the Google research team with a fine-tuned dutch Q&A downstream task.
+This model is the multilingual model provided by the Google research team with a fine-tuned polish Q&A downstream task.
 
 ## Details of the language model
 

model_cards/henryk/bert-base-multilingual-cased-finetuned-polish-squad2/README.md

@@ -4,7 +4,7 @@ language: polish
 
 # Multilingual + Polish SQuAD2.0
 
-This model is the multilingual model provided by the Google research team with a fine-tuned dutch Q&A downstream task.
+This model is the multilingual model provided by the Google research team with a fine-tuned polish Q&A downstream task.
 
 ## Details of the language model