diff --git a/README.md b/README.md
index 20fa77b..c774cb1 100644
--- a/README.md
+++ b/README.md
@@ -52,4 +52,4 @@ All benchmarks used release builds with full enforcement of exclusive access to
 
 # Requirements
 
-The code has been tested with the Swift 5.1 Snapshot 2019-05-29 XCode toolchain.
+The code has been tested with the Swift 5.1 Snapshot 2019-06-28 XCode toolchain and XCode 11.0 beta 2.
diff --git a/Sources/DancingLinks/Examples/Sudoku/SudokuSolver.swift b/Sources/DancingLinks/Examples/Sudoku/SudokuSolver.swift
index 31cd7ea..1633801 100644
--- a/Sources/DancingLinks/Examples/Sudoku/SudokuSolver.swift
+++ b/Sources/DancingLinks/Examples/Sudoku/SudokuSolver.swift
@@ -109,6 +109,7 @@ class SudokuSolver {
         for row in solution.rows {
             values[row.index] = row.value
         }
+
         return Sudoku(values: values, dimensions: sudoku.dimensions)
     }