diff --git a/gradio/outputs.py b/gradio/outputs.py
index 691b177503..4cf30eafab 100644
--- a/gradio/outputs.py
+++ b/gradio/outputs.py
@@ -249,7 +249,7 @@ class HighlightedText(AbstractOutput):
         if isinstance(prediction, str) or isinstance(prediction, int) or isinstance(prediction, float):
             return str(prediction)
         else:
-            raise ValueError("The `Textbox` output interface expects an output that is one of: a string, or"
+            raise ValueError("The `HighlightedText` output interface expects an output that is one of: a string, or"
                              "an int/float that can be converted to a string.")
 
 
diff --git a/gradio/static/js/interfaces/output/key_values.js b/gradio/static/js/interfaces/output/key_values.js
index 9e6ce98fd8..844b27f440 100644
--- a/gradio/static/js/interfaces/output/key_values.js
+++ b/gradio/static/js/interfaces/output/key_values.js
@@ -11,10 +11,10 @@ const key_values = {
   init: function(opts) {},
   output: function(data) {
     let html = ""
-    for (let row of data) {
+    for (const [key, value] of Object.entries(data)) {
       html += `<tr>
-        <td>${row[0]}</td>
-        <td>${row[1]}</td>
+        <td>${key}</td>
+        <td>${value}</td>
       </tr>`;
     }
     this.target.find("tbody").html(html);