Update exercises/exercise_104_parameter_untupling/README.md

Co-authored-by: gianick <[email protected]>

Author: eloots

exercises/exercise_104_parameter_untupling/README.md

@@ -48,7 +48,7 @@ pairs.map(_ + _)
   - `SudokuProgressTracker.scala`
   - `SudokuSolver.scala`
   - `TopLevelDefinitions.scala` (we chose to put the content of the package
-                               object in a file with this name.)
+                               object in a file with this name)
 
 - Identify them and replace the pattern-matching syntax with the new syntax