diff --git a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator.md b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator.md
index ae885f7bde1..6d4ca66dd3d 100644
--- a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator.md
+++ b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator.md
@@ -198,7 +198,7 @@ assert(telephoneCheck('11 555-555-5555') === false);
 
 const validPatterns = [
   '1 XXX-XXX-XXXX',
-  '1 (XXX)XXX-XXXX',
+  '1 (XXX) XXX-XXXX',
   '1(XXX)XXX-XXXX',
   '1 XXX XXX XXXX',
   'XXXXXXXXXX',
diff --git a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/build-a-telephone-number-validator-project/build-a-telephone-number-validator.md b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/build-a-telephone-number-validator-project/build-a-telephone-number-validator.md
index fc6adf7c4cd..cf334abd190 100644
--- a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/build-a-telephone-number-validator-project/build-a-telephone-number-validator.md
+++ b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/build-a-telephone-number-validator-project/build-a-telephone-number-validator.md
@@ -644,7 +644,7 @@ assert.exists(resultsDiv);
 
 const validPatterns = [
   '1 XXX-XXX-XXXX',
-  '1 (XXX)XXX-XXXX',
+  '1 (XXX) XXX-XXXX',
   '1(XXX)XXX-XXXX',
   '1 XXX XXX XXXX',
   'XXXXXXXXXX',