diff --git a/challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json b/challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json
index 792dadf31a..00a6545198 100644
--- a/challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json
+++ b/challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json
@@ -163,9 +163,9 @@
       ],
       "description": [
         "The sum of the squares of the first ten natural numbers is,",
-        "12 + 22 + ... + 102 = 385",
+        "1² + 2² + ... + 10² = 385",
         "The square of the sum of the first ten natural numbers is,",
-        "(1 + 2 + ... + 10)2 = 552 = 3025",
+        "(1 + 2 + ... + 10)² = 55² = 3025",
         "Hence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 3025 − 385 = 2640.",
         "Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum."
       ]
@@ -270,8 +270,8 @@
       ],
       "description": [
         "A Pythagorean triplet is a set of three natural numbers, a < b < c, for which,",
-        " a2 + b2 = c2",
-        "For example, 32 + 42 = 9 + 16 = 25 = 52.",
+        " a² + b² = c²",
+        "For example, 3² + 4² = 9 + 16 = 25 = 5².",
         "There exists exactly one Pythagorean triplet for which a + b + c = 1000. Find the product abc."
       ]
     },