diff --git a/exercises/binary-search/canonical-data.json b/exercises/binary-search/canonical-data.json
index 614597019e..ed1cef5fae 100644
--- a/exercises/binary-search/canonical-data.json
+++ b/exercises/binary-search/canonical-data.json
@@ -1,78 +1,90 @@
 {
-    "#": [
-        "Here -1 is used to indicate that the value is not included in the array.",
-        "It should be replaced with the respective expression that is idiomatic",
-        "for the language that implements the tests.",
+  "exercise": "binary-search",
+  "version": "1.0.0",
+  "comments": [
+    "Here -1 is used to indicate that the value is not included in the array.",
+    "It should be replaced with the respective expression that is idiomatic",
+    "for the language that implements the tests.",
 
-        "Following https://github.com/exercism/x-common/issues/234 the exercise",
-        "should NOT include checking whether the array is sorted as it defeats",
-        "the point of the binary search.",
+    "Following https://github.com/exercism/x-common/issues/234 the exercise",
+    "should NOT include checking whether the array is sorted as it defeats",
+    "the point of the binary search.",
 
-        "The exercise should utilize an array-like (i.e. constant-time indexed)",
-        "data structure and not a linked list. If something like an array is not",
-        "usually used in the language the problem should not be implemented.",
-        "See https://github.com/exercism/x-common/issues/244 for details."
-    ],
-    "cases": [
-        {
-            "description": "finds a value in an array with one element",
-            "array": [6],
-            "value": 6,
-            "expected": 0
-        },
-        {
-            "description": "finds a value in the middle of an array",
-            "array": [1, 3, 4, 6, 8, 9, 11],
-            "value": 6,
-            "expected": 3
-        },
-        {
-            "description": "finds a value at the beginning of an array",
-            "array": [1, 3, 4, 6, 8, 9, 11],
-            "value": 1,
-            "expected": 0
-        },
-        {
-            "description": "finds a value at the end of an array",
-            "array": [1, 3, 4, 6, 8, 9, 11],
-            "value": 11,
-            "expected": 6
-        },
-        {
-            "description": "finds a value in an array of odd length",
-            "array": [1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 634],
-            "value": 144,
-            "expected": 9
-        },
-        {
-            "description": "finds a value in an array of even length",
-            "array": [1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377],
-            "value": 21,
-            "expected": 5
-        },
-        {
-            "description": "identifies that a value is not included in the array",
-            "array": [1, 3, 4, 6, 8, 9, 11],
-            "value": 7,
-            "expected": -1
-        },
-        {
-            "description": "a value smaller than the array's smallest value is not included",
-            "array": [1, 3, 4, 6, 8, 9, 11],
-            "value": 0,
-            "expected": -1
-        },
-        {
-            "description": "a value larger than the array's largest value is not included",
-            "array": [1, 3, 4, 6, 8, 9, 11],
-            "value": 13,
-            "expected": -1
-        },
-        {
-            "description": "nothing is included in an empty array",
-            "array": [],
-            "value": 1,
-            "expected": -1
-        }
-    ]
+    "The exercise should utilize an array-like (i.e. constant-time indexed)",
+    "data structure and not a linked list. If something like an array is not",
+    "usually used in the language the problem should not be implemented.",
+    "See https://github.com/exercism/x-common/issues/244 for details."
+  ],
+  "cases": [
+    {
+      "description": "finds a value in an array with one element",
+      "property": "find",
+      "array": [6],
+      "value": 6,
+      "expected": 0
+    },
+    {
+      "description": "finds a value in the middle of an array",
+      "property": "find",
+      "array": [1, 3, 4, 6, 8, 9, 11],
+      "value": 6,
+      "expected": 3
+    },
+    {
+      "description": "finds a value at the beginning of an array",
+      "property": "find",
+      "array": [1, 3, 4, 6, 8, 9, 11],
+      "value": 1,
+      "expected": 0
+    },
+    {
+      "description": "finds a value at the end of an array",
+      "property": "find",
+      "array": [1, 3, 4, 6, 8, 9, 11],
+      "value": 11,
+      "expected": 6
+    },
+    {
+      "description": "finds a value in an array of odd length",
+      "property": "find",
+      "array": [1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 634],
+      "value": 144,
+      "expected": 9
+    },
+    {
+      "description": "finds a value in an array of even length",
+      "property": "find",
+      "array": [1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377],
+      "value": 21,
+      "expected": 5
+    },
+    {
+      "description": "identifies that a value is not included in the array",
+      "property": "find",
+      "array": [1, 3, 4, 6, 8, 9, 11],
+      "value": 7,
+      "expected": -1
+    },
+    {
+      "description": "a value smaller than the array's smallest value is not included",
+      "property": "find",
+      "array": [1, 3, 4, 6, 8, 9, 11],
+      "value": 0,
+      "expected": -1
+    },
+    {
+      "description": "a value larger than the array's largest value is not included",
+      "property": "find",
+      "array": [1, 3, 4, 6, 8, 9, 11],
+      "value": 13,
+      "expected": -1
+    },
+    {
+      "description": "nothing is included in an empty array",
+      "property": "find",
+      "array": [],
+      "value": 1,
+      "expected": -1
+    }
+  ]
 }