diff --git a/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/day-of-the-week.md b/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/day-of-the-week.md
index 87de4d47cf..89c4f59879 100644
--- a/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/day-of-the-week.md
+++ b/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/day-of-the-week.md
@@ -24,7 +24,7 @@ tests:
     testString: assert(typeof findXmasSunday === 'function');
   - text: <code>findXmasSunday(2000, 2100)</code> should return an array.
     testString: assert(typeof findXmasSunday(2000, 2100) === 'object');
-  - text: <code>findXmasSunday(2008, 2121)</code> should return <code>[1977, 1983, 1988, 1994, 2005, 2011, 2016]</code>
+  - text: <code>findXmasSunday(1970, 2017)</code> should return <code>[1977, 1983, 1988, 1994, 2005, 2011, 2016]</code>
     testString: assert.deepEqual(findXmasSunday(1970, 2017), firstSolution);
   - text: <code>findXmasSunday(2008, 2121)</code> should return <code>[2011, 2016, 2022, 2033, 2039, 2044, 2050, 2061, 2067, 2072, 2078, 2089, 2095, 2101, 2107, 2112, 2118]</code>
     testString: assert.deepEqual(findXmasSunday(2008, 2121), secondSolution);