fix typos

libs/remix-debug/README.md

@@ -5,7 +5,7 @@
 [![GitHub](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/ethereum/remix-project/tree/master/libs/remix-debug)
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/ethereum/remix-project/issues)
 
-`@remix-project/remix-debug` is a tool to debug Ethereum transactions on different Remix environments (VM, testnet etc.). It works underneath Remix IDE "DEBUGGER" plugin which is used to analyse step-to-step executioon of a transaction to debug it.
+`@remix-project/remix-debug` is a tool to debug Ethereum transactions on different Remix environments (VM, testnet etc.). It works underneath Remix IDE "DEBUGGER" plugin which is used to analyse step-to-step execution of a transaction to debug it.
 
 ### Installation
 `@remix-project/remix-debug` is an NPM package and can be installed using NPM as:
@@ -144,7 +144,7 @@ Some of the class details are as:
 
 Please feel free to open an issue or a pull request. 
 
-In case you want to add some code, do have a look to our contribution guidelnes [here](https://github.com/ethereum/remix-project/blob/master/CONTRIBUTING.md). Reach us on [Gitter](https://gitter.im/ethereum/remix) in case of any queries.
+In case you want to add some code, do have a look at our contribution guidelines [here](https://github.com/ethereum/remix-project/blob/master/CONTRIBUTING.md). Reach us on [Gitter](https://gitter.im/ethereum/remix) in case of any queries.
 
 ### License
 MIT © 2018-21 Remix Team