fix typo

Author: leohhhn

live-coding/3-grc20-token/README.md

@@ -1,6 +1,6 @@
 # Gno Live Coding Session #3
 
-#### Topic: Creating your own GRC20 token while Gno language features 
+#### Topic: Creating your own GRC20 token while exploring Gno language features 
 #### Date: Friday, Sept 13th 2024
 #### Presenter: [@leohhhn](https://github.com/leohhhn)
 
@@ -16,4 +16,4 @@ scripts which enable interactions with it.
 
 We encourage anyone who wishes to build upon the example given in the coding
 session to do so. Please make a PR adding your code to the 
-[`followup-work/`](./followup-work) folder, and ping the presenter.
+[`followup-work/`](./followup-work) folder, and ping the presenter.