diff --git a/src/core/plugins/json-schema-2020-12/components/keywords/Constraint/Constraint.jsx b/src/core/plugins/json-schema-2020-12/components/keywords/Constraint/Constraint.jsx
index c9ce2de9..2c9c5fde 100644
--- a/src/core/plugins/json-schema-2020-12/components/keywords/Constraint/Constraint.jsx
+++ b/src/core/plugins/json-schema-2020-12/components/keywords/Constraint/Constraint.jsx
@@ -11,8 +11,9 @@ import classNames from "classnames"
  */
 const Constraint = ({ constraint }) => {
   const isPattern = /^matches /.test(constraint)
-  const isStringRange = /characters/.test(constraint)
-  const isStringRelated = isPattern || isStringRange
+  const isStringRange = /characters$/.test(constraint)
+  const isContentMediaType = /^media type: /
+  const isStringRelated = isPattern || isStringRange || isContentMediaType
 
   return (
     <span
diff --git a/src/core/plugins/json-schema-2020-12/fn.js b/src/core/plugins/json-schema-2020-12/fn.js
index 1c23af37..76b18eff 100644
--- a/src/core/plugins/json-schema-2020-12/fn.js
+++ b/src/core/plugins/json-schema-2020-12/fn.js
@@ -292,6 +292,11 @@ export const stringifyConstraints = (schema) => {
   )
   if (objectRange !== null) constraints.push(objectRange)
 
+  // a Vocabulary for the Contents of String-Encoded Data
+  if (schema?.contentMediaType) {
+    constraints.push(`media type: ${schema.contentMediaType}`)
+  }
+
   return constraints
 }