diff --git a/tools/text-to-audio-kokoro/metadata.json b/tools/text-to-audio-kokoro/metadata.json
index 461beab5..a3075e17 100644
--- a/tools/text-to-audio-kokoro/metadata.json
+++ b/tools/text-to-audio-kokoro/metadata.json
@@ -29,8 +29,8 @@
     },
     "parameters": {
         "properties": {
-            "input_file": {
-                "description": "Path to the input text file (.txt or .md)",
+            "text": {
+                "description": "text to convert to audio",
                 "type": "string"
             },
             "voice": {
@@ -58,7 +58,7 @@
             }
         },
         "required": [
-            "input_file"
+            "text"
         ],
         "type": "object"
     },