diff --git a/index.html b/index.html
index e0d71f6..6fbda18 100644
--- a/index.html
+++ b/index.html
@@ -357,8 +357,8 @@ <h2>Select Version</h2>
                          <label><input type="radio" name="device" value="/manifests/esp32/MicroPythonOS_esp32_0.20.x.json" onchange="updateManifest()">
                             <p>Unified build for all supported ESP32 devices: version 0.20.0</p>
                         </label>
-                         <label><input type="radio" name="device" value="/manifests/esp32/MicroPythonOS_esp32p4_0.20.x.json" onchange="updateManifest()">
-                            <p>Unified build for all supported ESP32-P4 devices: version 0.20.0</p>
+                         <label><input type="radio" name="device" value="/manifests/esp32p4/MicroPythonOS_esp32p4_0.20.x.json" onchange="updateManifest()">
+                            <p>Unified build for all supported ESP32-P4 devices: version 0.20.0. Only for ESP32-P4 chip revisions v0.x and v1.x, not v3.x.</p>
                         </label>
 
                         <br />
@@ -368,7 +368,7 @@ <h2>Select Version</h2>
                         <div id="oldReleasesSection" class="old-releases-section">
                         	<div class="old-releases-label">These old releases are only here for archival, reverting, testing or troubleshooting.</div>
 
-				<label><input type="radio" checked="checked" name="device" value="/manifests/esp32s3/MicroPythonOS_esp32s3_0.19.x.json" onchange="updateManifest()">
+				<label><input type="radio" name="device" value="/manifests/esp32s3/MicroPythonOS_esp32s3_0.19.x.json" onchange="updateManifest()">
 				    <p>Unified build for all supported ESP32-S3 devices: version 0.19.0</p>
 				</label>
 				 <label><input type="radio" name="device" value="/manifests/esp32/MicroPythonOS_esp32_0.19.x.json" onchange="updateManifest()">