README.md in trackler-2.2.1.104

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 # Sum Of Multiples
 
-Given a number, find the sum of all the multiples of particular numbers up to
+Given a number, find the sum of all the unique multiples of particular numbers up to
 but not including that number.
 
-If we list all the natural numbers up to but not including 20 that are
-multiples of either 3 or 5, we get 3, 5, 6 and 9, 10, 12, 15, and 18.
+If we list all the natural numbers below 20 that are multiples of 3 or 5,
+we get 3, 5, 6, 9, 10, 12, 15, and 18.
 
 The sum of these multiples is 78.
 
-Given a number, find the sum of the multiples of a given set of numbers,
-up to but not including that number.
-
 ## Hints
 This exercise requires you to process a collection of data. You can simplify your code by using LINQ (Language Integrated Query).
 For more information, see [this page](https://docs.microsoft.com/en-us/dotnet/articles/standard/using-linq).
 
 ### Submitting Exercises
 
-Note that, when trying to submit an exercise, make sure the exercise file that you're submitting is in the `exercism/csharp/<exerciseName>` directory.
+Note that, when trying to submit an exercise, make sure the exercise file that you're submitting is in the `exercism/csharp/sum-of-multiples` directory.
 
-For example, if you're submitting `bob.cs` for the Bob exercise, the submit command would be something like `exercism submit <path_to_exercism_dir>/csharp/bob/bob.cs`.
 ## Source
 
 A variation on Problem 1 at Project Euler [http://projecteuler.net/problem=1](http://projecteuler.net/problem=1)
 
 ## Submitting Incomplete Solutions