diff --git a/README.md b/README.md
index 072b6fd..92ae118 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ Currently listening in these countries . . . that I know of . . .
 - Estonia
 - Tasmania
 - Luxembourgh
+- Crete
 
 ## Features
 * **24/7 recording and automatic identification** of bird songs, chirps, and peeps using BirdNET machine learning
diff --git a/homepage/style.css b/homepage/style.css
index 69c350a..346fb2f 100644
--- a/homepage/style.css
+++ b/homepage/style.css
@@ -26,7 +26,7 @@ iframe {
   padding: 0;
   margin: 0;
   border: none;
-  height: 93%;
+  height: 90%;
   width: 100%;
 }
 
@@ -836,4 +836,4 @@ pre#timer.bash {
 
 #ddnewline::before {
    content: none;
-}
\ No newline at end of file
+}
diff --git a/requirements.txt b/requirements.txt
index 6624403..13b2b56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,4 +14,5 @@ apprise==1.2.1
 paho-mqtt
 pytest==7.1.2
 pytest-mock==3.7.0
-suntime
\ No newline at end of file
+suntime
+altair<5
\ No newline at end of file
diff --git a/scripts/advanced.php b/scripts/advanced.php
index 2a77e36..74417bd 100644
--- a/scripts/advanced.php
+++ b/scripts/advanced.php
@@ -317,6 +317,7 @@ foreach($audio_formats as $format){
       <table class="settingstable"><tr><td>
       <h2>BirdNET-Pi Password</h2>
       <p>This password will protect your "Tools" page and "Live Audio" stream.</p>
+      <p>Do NOT use special characters. Accepted characters: [A-Z0-9a-z]</p>
       <label for="caddy_pwd">Password: </label>
       <input style="width:40ch" name="caddy_pwd" id="caddy_pwd" type="password" pattern="[A-Za-z0-9]+" title="Password must be alphanumeric (A-Z, 0-9)" value="<?php print($newconfig['CADDY_PWD']);?>" /><span id="showpassword" onmouseover="document.getElementById('caddy_pwd').type='text';" onmouseout="document.getElementById('caddy_pwd').type='password';">show</span><br>
       </td></tr></table><br>
diff --git a/scripts/overview.php b/scripts/overview.php
index 0bb68d7..526e4ca 100644
--- a/scripts/overview.php
+++ b/scripts/overview.php
@@ -404,6 +404,7 @@ window.setInterval(function(){
 </style>
 <script>
 function generateMiniGraph(elem, comname) {
+
   // Make an AJAX call to fetch the number of detections for the bird species
   var xhr = new XMLHttpRequest();
   xhr.open('GET', '/todays_detections.php?comname=' + comname);
@@ -411,9 +412,10 @@ function generateMiniGraph(elem, comname) {
     if (xhr.status === 200) {
       var detections = JSON.parse(xhr.responseText);
 
-      console.log(detections)
-
       // Create a div element for the chart window
+      if (typeof(window.chartWindow) != 'undefined') {
+        document.body.removeChild(window.chartWindow);
+      }
       var chartWindow = document.createElement('div');
       chartWindow.className = "chartdiv"
       chartWindow.style.position = 'fixed';
@@ -524,6 +526,7 @@ function generateMiniGraph(elem, comname) {
         document.body.removeChild(chartWindow);
       });
       chartWindow.appendChild(closeButton);
+      window.chartWindow = chartWindow;
     }
   };
   xhr.send();
@@ -540,4 +543,4 @@ window.addEventListener('scroll', function() {
   });
 });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/scripts/todays_detections.php b/scripts/todays_detections.php
index 96c6d2f..069a798 100644
--- a/scripts/todays_detections.php
+++ b/scripts/todays_detections.php
@@ -462,9 +462,10 @@ function generateMiniGraph(elem, comname) {
     if (xhr.status === 200) {
       var detections = JSON.parse(xhr.responseText);
 
-      console.log(detections)
-
       // Create a div element for the chart window
+      if (typeof(window.chartWindow) != 'undefined') {
+        document.body.removeChild(window.chartWindow);
+      }
       var chartWindow = document.createElement('div');
       chartWindow.className = "chartdiv"
       chartWindow.style.position = 'fixed';
@@ -575,6 +576,7 @@ function generateMiniGraph(elem, comname) {
         document.body.removeChild(chartWindow);
       });
       chartWindow.appendChild(closeButton);
+      window.chartWindow = chartWindow;
     }
   };
   xhr.send();