diff --git a/sudoku-2x2x2.txt b/sudoku-2x2x2.txt
index 230751c..423c8b6 100644
--- a/sudoku-2x2x2.txt
+++ b/sudoku-2x2x2.txt
@@ -1,5 +1,5 @@
 #
-# sudoku.txt - Sample sudoky 2x2x2 that our program can understand
+# sudoku.txt - Sample sudoky two-sized that our program can understand
 # Place a zero to identify an unset cell (that, of course, should
 # be set by our smart program).
 #
diff --git a/sudoku.cpp b/sudoku.cpp
index aa8b12d..8197a88 100644
--- a/sudoku.cpp
+++ b/sudoku.cpp
@@ -240,7 +240,7 @@ main ( int argc, char *argv[] )
 		printSudoku(csp);
 	}
 
-	catch (char* msg)  {
+	catch (const char* msg)  {
 		cerr << "Exception: " << msg << endl;
 		return EXIT_FAILURE;
 	}