diff --git a/Example.Tests/Calculator.fs b/Example/Calculator.fs
similarity index 54%
rename from Example.Tests/Calculator.fs
rename to Example/Calculator.fs
index 030e391..6f0c515 100644
--- a/Example.Tests/Calculator.fs
+++ b/Example/Calculator.fs
@@ -1,4 +1,4 @@
 namespace Example
 
 module Calculator =
-    let addOne value = value - 1
+    let addOne value = value + 1
diff --git a/Example.Tests/CalculatorTests.fs b/Example/CalculatorTests.fs
similarity index 67%
rename from Example.Tests/CalculatorTests.fs
rename to Example/CalculatorTests.fs
index 1555082..9029f0e 100644
--- a/Example.Tests/CalculatorTests.fs
+++ b/Example/CalculatorTests.fs
@@ -1,4 +1,4 @@
-namespace Example.Tests
+namespace Example
 
 open Example
 open Mutannot
@@ -7,10 +7,10 @@ open Xunit
 type CalculatorTests() =
     [<Fact>]
     [<MutationCase("""
-    diff --git a/Example.Tests/Calculator.fs b/Example.Tests/Calculator.fs
+    diff --git a/Example/Calculator.fs b/Example/Calculator.fs
     index 6f0c515..030e391 100644
-    --- a/Example.Tests/Calculator.fs
-    +++ b/Example.Tests/Calculator.fs
+    --- a/Example/Calculator.fs
+    +++ b/Example/Calculator.fs
     @@ -1,4 +1,4 @@
      namespace Example
 
diff --git a/Example.Tests/Example.Tests.fsproj b/Example/Example.fsproj
similarity index 100%
rename from Example.Tests/Example.Tests.fsproj
rename to Example/Example.fsproj
diff --git a/Example.Tests/MutationCaseAttribute.fs b/Example/MutationCaseAttribute.fs
similarity index 100%
rename from Example.Tests/MutationCaseAttribute.fs
rename to Example/MutationCaseAttribute.fs