diff --git a/README.md b/README.md
index b650f6e7..1059c6b9 100644
--- a/README.md
+++ b/README.md
@@ -13,9 +13,9 @@ A 3d-printable housing can be found here: https://www.thingiverse.com/thing:4571
 
 ## Change log - latest version
 
-##### Rolling (2020-08-15)
+##### Rolling (2020-08-17)
 
-* Nightly updates (bug fixing)
+* Only editor for config.ini
   
 * Implementation of Digital Consistency Check: check if Digit shows next number earlier, than previous number has gone through zero - Turn on/off - see updated config.ini `CheckDigitIncreaseConsistency = True`)
   Not fully tested!
diff --git a/sd-card/html/edit_config.html b/sd-card/html/edit_config.html
new file mode 100644
index 00000000..a2d38fd2
--- /dev/null
+++ b/sd-card/html/edit_config.html
@@ -0,0 +1,82 @@
+<html>
+<body>
+ 
+<table>
+    <tr><td>Config.ini:</td></tr>
+    <tr>
+        <td colspan="3">
+            <textarea id="inputTextToSave" cols="80" rows="25"></textarea>
+        </td>
+    </tr>
+    <tr>
+        <td><button onclick="saveTextAsFile()">Update Config.ini</button></td>
+    </tr>
+</table>
+ 
+<script type="text/javascript">
+
+function loadConfig() {
+      var xhr = new XMLHttpRequest();
+           xhr.onload = function () {
+//		   alert(this.responseText);
+		   document.getElementById("inputTextToSave").value = this.responseText;
+           };
+	 url = '/fileserver/config/config.ini';
+     xhr.open('GET', url);
+     xhr.send();
+	 }
+
+ 
+function saveTextAsFile()
+{
+	if (confirm("Are you sure you want to update \"config.ini\"?")) {
+		var xhttp = new XMLHttpRequest();
+		
+		/* first delete the old firmware */	
+		xhttp.onreadystatechange = function() {
+			if (xhttp.readyState == 4) {
+				if (xhttp.status == 200) {
+					/* keine Reaktion, damit sich das Dokument nicht ändert */
+				} else if (xhttp.status == 0) {
+					alert("Server closed the connection abruptly!");
+					location.reload()
+				} else {
+					alert(xhttp.status + " Error!\n" + xhttp.responseText);
+					location.reload()
+				}
+			}
+		};
+		xhttp.open("POST", "/delete/config/config.ini", false);
+		xhttp.send();
+		/* ----------------------------- */
+
+		var textToSave = document.getElementById("inputTextToSave").value;
+		
+		xhttp.onreadystatechange = function() {
+			if (xhttp.readyState == 4) {
+				if (xhttp.status == 200) {
+					alert("Update \"config.ini\" successfull!\n\nTo make it active you need to reboot.")
+					document.reload();
+				} else if (xhttp.status == 0) {
+					alert("Server closed the connection abruptly!");
+					location.reload()
+				} else {
+					alert(xhttp.status + " Error!\n" + xhttp.responseText);
+					location.reload()
+				}
+			}
+		};
+		
+		upload_path = "/upload/config/config.ini";
+		
+		xhttp.open("POST", upload_path, true);
+		xhttp.send(textToSave);
+	}
+}
+ 
+loadConfig();
+ 
+</script>
+ 
+</body>
+</html>
\ No newline at end of file
diff --git a/sd-card/html/index.html b/sd-card/html/index.html
index ccabd26f..29fa6f2b 100644
--- a/sd-card/html/index.html
+++ b/sd-card/html/index.html
@@ -84,6 +84,7 @@
 			<li aria-current="page"><a href="#"onclick="document.getElementById('maincontent').src = '/wasserzaehler_roi.html';">wasserzaehler</a>	
 				<ul class="submenu">
 					<li><a href="#"onclick="document.getElementById('maincontent').src = '/prevalue_set.html';">PreValue</a> </li>
+					<li><a href="#"onclick="document.getElementById('maincontent').src = '/edit_config.html';">Edit Configuration</a> </li>
 					<li><a href="#"onclick="document.getElementById('maincontent').src = '/wasserzaehler.html?full';">wasserzaehler full</a> </li>
 				</ul>
 			</li>	
