Fix typo

Json -> JSON

Author: changeworld

articles/active-directory-b2c/json-transformations.md

@@ -337,7 +337,7 @@ The GetClaimFromJson claims transformation gets a single element from a JSON dat
 
 ## GetClaimsFromJsonArray
 
-Get a list of specified elements from Json data. Check out the [Live demo](https://github.com/azure-ad-b2c/unit-tests/tree/main/claims-transformation/json#getclaimsfromjsonarray) of this claims transformation.
+Get a list of specified elements from JSON data. Check out the [Live demo](https://github.com/azure-ad-b2c/unit-tests/tree/main/claims-transformation/json#getclaimsfromjsonarray) of this claims transformation.
 
 | Element | TransformationClaimType | Data Type | Notes |
 | ---- | ----------------------- | --------- | ----- |