Revert "another :"

This reverts commit 3709107.

Author: BillWagner

docs/csharp/tutorials/exploration/csharp-7.yml

@@ -111,7 +111,7 @@ when inspecting the tuple using reflection at runtime, for example.
     [!code-csharp[ImplicitNamedTuple](~/samples/snippets/csharp/new-in-7/program.cs#06_ImplicitNamedTuple "Implicitly named tuple")]
 
     You can specify names for the fields on both the
-    left and right-hand side of the assignment.
+    left and right-hand side of the assignment:
 
     [!code-csharp[NamedTupleConflict](~/samples/snippets/csharp/new-in-7/program.cs#07_NamedTupleConflict "Named tuple conflict")]