Update README.md

README.md

@@ -16,7 +16,7 @@ license: cc-by-4.0
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 # plT5 Base
-**plT5** models are T5-based language models trained on Polish corpora. Models were optimized for the original T5 denoising target.
+**plT5** models are T5-based language models trained on Polish corpora. The models were optimized for the original T5 denoising target.
 
 ## Corpus
 plT5 was trained on six different corpora available for Polish language:
@@ -31,7 +31,7 @@ plT5 was trained on six different corpora available for Polish language:
 | [Wolne Lektury](https://wolnelektury.pl/) | 41M  | 5.5k |
 
 ## Tokenizer
-The training dataset was tokenized into subwords using a sentencepiece unigram with
+The training dataset was tokenized into subwords using a sentencepiece unigram model with
 vocabulary size of 50k tokens. 
 
 ## Usage