Update README.md

README.md

@@ -18,7 +18,7 @@ HerBERT was trained on six different corpora available for Polish language:
 | :------ | ------: | ------: |
 | [CCNet Middle](https://github.com/facebookresearch/cc_net) | 3243M  | 7.9M |
 | [CCNet Head](https://github.com/facebookresearch/cc_net) | 2641M  | 7.0M |
-| [National Corpus of Polish](http://nkjp.pl/index.php?page=14&lang=0)| 1357M  | 3.9M |
+| [National Corpus of Polish](http://nkjp.pl/index.php?page=14&lang=1)| 1357M  | 3.9M |
 | [Open Subtitles](http://opus.nlpl.eu/OpenSubtitles-v2018.php) | 1056M  | 1.1M 
 | [Wikipedia](https://dumps.wikimedia.org/) | 260M  | 1.4M |
 | [Wolne Lektury](https://wolnelektury.pl/) | 41M  | 5.5k |
@@ -62,7 +62,7 @@ If you use this model, please cite the following paper:
     title = "{H}er{BERT}: Efficiently Pretrained Transformer-based Language Model for {P}olish",
     author = "Mroczkowski, Robert  and
       Rybak, Piotr  and
-      Wr{\'o}blewska, Alina  and
+      Wr{\\'o}blewska, Alina  and
       Gawlik, Ireneusz",
     booktitle = "Proceedings of the 8th Workshop on Balto-Slavic Natural Language Processing",
     month = apr,