Update README.md

Author: CodeDead

README.md

@@ -5,7 +5,7 @@ This GitHub repository has been created to allow user to view, edit and share th
 the GPL V3, so please follow the rules ;).
 
 Requirements in order to build DeadLock:
-* Turn of 'Prefer 32-bit'
+* Turn off 'Prefer 32-bit'
 * SyncFusion for Windows Forms (https://www.syncfusion.com/)
 * .NET Framework 4.6.1
 * Visual Studio 2015