diff --git a/src/core/components/parameter-row.jsx b/src/core/components/parameter-row.jsx
index d935e91eec0..f6e3860eb3b 100644
--- a/src/core/components/parameter-row.jsx
+++ b/src/core/components/parameter-row.jsx
@@ -107,40 +107,43 @@ export default class ParameterRow extends Component {
 
     let paramWithMeta = specSelectors.parameterWithMeta(pathMethod, param.get("name"), param.get("in"))
 
-    let schema = param.get("schema")
-    let type = isOAS3 && isOAS3() ? param.getIn(["schema", "type"]) : param.get("type")
+    let schema = isOAS3 && isOAS3() ? param.get("schema") : param
+    let type = schema.get("type")
     let isFormData = inType === "formData"
     let isFormDataSupported = "FormData" in win
     let required = param.get("required")
-    let itemType = param.getIn(isOAS3 && isOAS3() ? ["schema", "items", "type"] : ["items", "type"])
+    let itemType = schema.getIn(["items", "type"])
     let value = paramWithMeta ? paramWithMeta.get("value") : ""
     let extensions = getExtensions(param)
 
     let paramItems // undefined
-    let paramItemsEnum // undefined
-    let isDisplayParamItemsEnum = false
+    let paramEnum // undefined
+    let paramDefaultValue // undefined
+    let paramExample // undefined
+    let isDisplayParamEnum = false
+
     if ( param !== undefined ) {
-      paramItems = param.get("items")
+      paramItems = schema.get("items")
     }
-    if ( paramItems !== undefined ) {
-      paramItemsEnum = param.get("items").get("enum")
+
+    if (paramItems !== undefined) {
+      paramEnum = paramItems.get("enum")
+      paramDefaultValue = paramItems.get("default")
+    } else {
+      paramEnum = schema.get("enum")
     }
-    if ( paramItemsEnum !== undefined ) {
-      if (paramItemsEnum.size > 0) {
-        isDisplayParamItemsEnum = true
-      }
+
+    if ( paramEnum !== undefined && paramEnum.size > 0) {
+      isDisplayParamEnum = true
     }
 
     // Default and Example Value for readonly doc
-    let paramDefaultValue // undefined
-    let paramExample // undefined
     if ( param !== undefined ) {
-      paramDefaultValue = param.get("default")
+      paramDefaultValue = schema.get("default")
       paramExample = param.get("example")
-    }
-
-    if (isDisplayParamItemsEnum) { // if we have an array, default value is in "items"
-      paramDefaultValue = paramItems.get("default")
+      if (paramExample === undefined) {
+        paramExample = param.get("x-example")
+      }
     }
 
     return (
@@ -159,23 +162,18 @@ export default class ParameterRow extends Component {
         </td>
 
         <td className="col parameters-col_description">
-          <Markdown source={ param.get("description") }/>
+          { param.get("description") ? <Markdown source={ param.get("description") }/> : null }
 
-          { (bodyParam || !isExecute) && isDisplayParamItemsEnum ?
-            <Markdown source={
-                "<i>Available values</i>: " + paramItemsEnum.map(function(item) {
+          { (bodyParam || !isExecute) && isDisplayParamEnum ?
+            <Markdown className="parameter__enum" source={
+                "<i>Available values</i> : " + paramEnum.map(function(item) {
                     return item
                   }).toArray().join(", ")}/>
             : null
           }
 
           { (bodyParam || !isExecute) && paramDefaultValue !== undefined ?
-            <Markdown source={"<i>Default value</i>: " + paramDefaultValue}/>
-            : null
-          }
-
-          { (bodyParam || !isExecute) && paramExample !== undefined ?
-            <Markdown source={"<i>Example</i>: " + paramExample}/>
+            <Markdown className="parameter__default" source={"<i>Default value</i> : " + paramDefaultValue}/>
             : null
           }
 
@@ -189,7 +187,7 @@ export default class ParameterRow extends Component {
                               description={param.get("description") ? `${param.get("name")} - ${param.get("description")}` : `${param.get("name")}`}
                               onChange={ this.onChangeWrapper }
                               errors={ paramWithMeta.get("errors") }
-                              schema={ isOAS3 && isOAS3() ? param.get("schema") : param }/>
+                              schema={ schema }/>
           }
 
 
diff --git a/src/core/components/providers/markdown.jsx b/src/core/components/providers/markdown.jsx
index 9707ece686d..a4bca726d06 100644
--- a/src/core/components/providers/markdown.jsx
+++ b/src/core/components/providers/markdown.jsx
@@ -2,11 +2,12 @@ import React from "react"
 import PropTypes from "prop-types"
 import Remarkable from "remarkable"
 import sanitize from "sanitize-html"
+import cx from "classnames"
 
 // eslint-disable-next-line no-useless-escape
 const isPlainText = (str) => /^[A-Z\s0-9!?\.]+$/gi.test(str)
 
-function Markdown({ source }) {
+function Markdown({ source, className = "" }) {
     if(isPlainText(source)) {
       // If the source text is not Markdown,
       // let's save some time and just render it.
@@ -28,12 +29,13 @@ function Markdown({ source }) {
     }
 
     return (
-        <div className="markdown" dangerouslySetInnerHTML={{ __html: sanitized }}></div>
+        <div className={cx(className, "markdown")} dangerouslySetInnerHTML={{ __html: sanitized }}></div>
     )
 }
 
 Markdown.propTypes = {
-    source: PropTypes.string.isRequired
+    source: PropTypes.string.isRequired,
+    className: PropTypes.string.isRequired
 }
 
 export default Markdown
diff --git a/src/core/plugins/oas3/wrap-components/markdown.js b/src/core/plugins/oas3/wrap-components/markdown.js
index 2d7f27e7666..9bfdffb931d 100644
--- a/src/core/plugins/oas3/wrap-components/markdown.js
+++ b/src/core/plugins/oas3/wrap-components/markdown.js
@@ -1,11 +1,12 @@
 import React from "react"
 import PropTypes from "prop-types"
 import ReactMarkdown from "react-markdown"
+import cx from "classnames"
 import { Parser, HtmlRenderer } from "commonmark"
 import { OAS3ComponentWrapFactory } from "../helpers"
 import { sanitizer } from "core/components/providers/markdown"
 
-export const Markdown = ({ source }) => { 
+export const Markdown = ({ source, className = "" }) => {
   if ( source ) {
     const parser = new Parser()
     const writer = new HtmlRenderer()
@@ -19,14 +20,15 @@ export const Markdown = ({ source }) => {
     return (
       <ReactMarkdown
         source={sanitized}
-        className={"renderedMarkdown"}
+        className={cx(className, "renderedMarkdown")}
       />
     )
   }
   return null
 }
 Markdown.propTypes = {
-  source: PropTypes.string
+  source: PropTypes.string,
+  className: PropTypes.string,
 }
 
-export default OAS3ComponentWrapFactory(Markdown)
\ No newline at end of file
+export default OAS3ComponentWrapFactory(Markdown)
diff --git a/test/e2e/scenarios/features/parameter-enum-rendering.js b/test/e2e/scenarios/features/parameter-enum-rendering.js
new file mode 100644
index 00000000000..e478794d6d2
--- /dev/null
+++ b/test/e2e/scenarios/features/parameter-enum-rendering.js
@@ -0,0 +1,58 @@
+describe("parameter enum rendering", function () {
+    describe("swagger 2.0", () => {
+      beforeEach(function (client, done) {
+        client
+          .url("localhost:3230")
+          .waitForElementVisible(".download-url-input", 10000)
+          .pause(1000)
+          .clearValue(".download-url-input")
+          .setValue(".download-url-input", "http://localhost:3230/test-specs/features/parameter-enum-rendering.swagger.yaml")
+          .click("button.download-url-button")
+          .pause(1000)
+
+        done()
+      })
+      afterEach(function (client, done) {
+        done()
+      })
+      it("reveals a string parameter's enums and defaults when viewing that parameter", function (client) {
+        client.waitForElementVisible(".opblock-tag-section", 10000)
+        .assert.containsText(".opblock-summary-path span", "/report")
+        .click(".opblock")
+        .waitForElementVisible(".opblock.is-open", 5000)
+        .pause(500)
+        .assert.containsText("div.parameter__enum", "today, yesterday, lastweek")
+        .assert.containsText("div.parameter__default", "today")
+
+        client.end()
+      })
+    })
+    describe("openapi 3.0", () => {
+      beforeEach(function (client, done) {
+          client
+            .url("localhost:3230")
+            .waitForElementVisible(".download-url-input", 10000)
+            .pause(1000)
+            .clearValue(".download-url-input")
+            .setValue(".download-url-input", "http://localhost:3230/test-specs/features/parameter-enum-rendering.openapi.yaml")
+            .click("button.download-url-button")
+            .pause(1000)
+
+          done()
+      })
+      afterEach(function (client, done) {
+          done()
+      })
+      it("reveals a string parameter's enums and defaults when viewing that parameter", function (client) {
+          client.waitForElementVisible(".opblock-tag-section", 10000)
+              .assert.containsText(".opblock-summary-path span", "/report")
+              .click(".opblock")
+              .waitForElementVisible(".opblock.is-open", 5000)
+              .pause(500)
+              .assert.containsText("div.parameter__enum", "today, yesterday, lastweek")
+              .assert.containsText("div.parameter__default", "today")
+
+          client.end()
+      })
+    })
+})
diff --git a/test/e2e/specs/features/parameter-enum-rendering.openapi.yaml b/test/e2e/specs/features/parameter-enum-rendering.openapi.yaml
new file mode 100644
index 00000000000..444cf19cad2
--- /dev/null
+++ b/test/e2e/specs/features/parameter-enum-rendering.openapi.yaml
@@ -0,0 +1,21 @@
+openapi: 3.0.0
+info:
+  title: test
+  version: 0.0.0
+paths:
+  /report:
+    get:
+      parameters:
+        - in: query
+          name: rel_date
+          required: true
+          schema:
+            type: string
+            default: today
+            enum:
+              - today
+              - yesterday
+              - lastweek
+      responses:
+        '200':
+          description: OK
diff --git a/test/e2e/specs/features/parameter-enum-rendering.swagger.yaml b/test/e2e/specs/features/parameter-enum-rendering.swagger.yaml
new file mode 100644
index 00000000000..b81c88d99f9
--- /dev/null
+++ b/test/e2e/specs/features/parameter-enum-rendering.swagger.yaml
@@ -0,0 +1,20 @@
+swagger: '2.0'
+info:
+  title: test
+  version: 0.0.0
+paths:
+  /report:
+    get:
+      parameters:
+        - in: query
+          name: rel_date
+          required: true
+          type: string
+          default: today
+          enum:
+            - today
+            - yesterday
+            - lastweek
+      responses:
+        200:
+          description: OK