Update 'README.md'

README.md

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 ## Description
 
-In this project you will build a small app to function as a calculator. This app  will be built in Java, and will use the topics and techniques discussed during the week.
+In this project you will build a small app to function as a calculator. This appadfdf  will be built in Java, and will use the topics and techniques discussed during the week.
 
 You should work on this project in your own repository. Click the `fork` button in the top right corner to create a copy of this repository on your github account. You can go through the [GitHub forking tutorial](https://help.github.com/articles/fork-a-repo/) if you need additional practice with this.