Fixed typo

Author: DavidLazarescu

README.md

@@ -61,7 +61,7 @@ If you are interested in contributing, feel free to contact us on either:<br>
 2. Email (contact@librumreader.com)
 <br>
 We are following a pull request workflow where every contribution is sent as a pull request and merged into the dev/develop branch for testing. <br>
-Please make sure to run clang format, keep to the conventions used through the application and ensure that all tests pass, before submitting any pull request.
+Please make sure to run clang format, keep to the conventions used throughout the application and ensure that all tests pass, before submitting any pull request.
 <br>
 
 # Contact