readme: minor updates

README.md

@@ -9,7 +9,7 @@ pinned: false
 
 # hmByT5 - Preliminary Language Models
 
-Preliminary Historic Multilingual and Monolingual ByT5 Models. Following languages are currently covered:
+Preliminary Historical Multilingual and Monolingual ByT5 Models. Following languages are currently covered:
 
 * English (British Library Corpus - Books)
 * German (Europeana Newspaper)
@@ -53,7 +53,7 @@ Current best models:
 # Acknowledgements
 
 We thank [Luisa März](https://github.com/LuisaMaerz), [Katharina Schmid](https://github.com/schmika) and
-[Erion Çano](https://github.com/erionc) for their fruitful discussions about Historic Language Models.
+[Erion Çano](https://github.com/erionc) for their fruitful discussions about Historical Language Models.
 
 Research supported with Cloud TPUs from Google's [TPU Research Cloud](https://sites.research.google/trc/about/) (TRC).
 Many Thanks for providing access to the TPUs ❤️