Update README.md

Fix typo in README file

README.md

@@ -261,7 +261,7 @@ https://www.youtube.com/watch?v=EWneY6Q_0ag&feature=youtu.be&ab_channel=Matthieu
 ERC1400 introduces new concepts on top of ERC20 token standard:
  - **Granular transfer controls**: Possibility to perform granular controls on the transfers with a system of certificates (injected in the additional `data` field of the transfer method)
  - **Controllers**: Empowerment of controllers with the ability to send tokens on behalf of other addresses (e.g. force transfer).
- - **Partionned tokens** (partial-fungibility): Every ERC1400 token can be partitioned. The partition of a token, can be seen as the state of a token. It is well adapted for representing, classes of assets, performing corporate actions, etc.
+ - **Partioned tokens** (partial-fungibility): Every ERC1400 token can be partitioned. The partition of a token, can be seen as the state of a token. It is well adapted for representing, classes of assets, performing corporate actions, etc.
  - **Document management**: Possibility to bind tokens to hashes of legal documents, thus making the link between a blockchain transaction and the real world.
 
 Optionally, the following features can also be added: