diff --git a/User_Manual.md b/User_Manual.md
index 1508a60f..834949a4 100644
--- a/User_Manual.md
+++ b/User_Manual.md
@@ -65,7 +65,7 @@ The AhoyDTU will publish on the following topics
 |Q_AC | 21.200| actual AC reactive power in var|
 |F_AC | 49.990| actual AC Frequency in Hz|
 |PF_AC | 95.800| actual AC Power factor|
-|Temp | 19.800|Temperature of inverter in Celsius|
+|Temp | 19.800|Temperature of inverter in degree Celsius|
 |EVT | 9.000|Last Event/Alarm Message Index|
 |YieldDay | 51.000|Energy converted to AC per day in Watt hours (measured on DC)|
 |YieldTotal | 465.294|Energy converted to AC since reset Watt hours (measured on DC)|
diff --git a/src/web/html/api.js b/src/web/html/api.js
index 299144a9..5022f007 100644
--- a/src/web/html/api.js
+++ b/src/web/html/api.js
@@ -52,8 +52,7 @@ function ml(tagName, ...args) {
 
 function nester(el, n) {
     if (typeof n === "string") {
-        var t = document.createTextNode(n);
-        el.appendChild(t);
+        el.innerHTML = n;
     } else if (n instanceof Array) {
         for(var i = 0; i < n.length; i++) {
             if (typeof n[i] === "string") {
diff --git a/src/web/html/visualization.html b/src/web/html/visualization.html
index b7e5042e..b9914af4 100644
--- a/src/web/html/visualization.html
+++ b/src/web/html/visualization.html
@@ -92,14 +92,14 @@
                 total[2] += obj.ch[0][6]; // YieldTotal
                 total[3] += obj.ch[0][8]; // P_DC
                 total[4] += obj.ch[0][10]; // Q_AC
-                var t = span(" &deg; C");
+                var t = span("&nbsp;&deg;C");
                 return ml("div", {class: "row mt-2"},
                     ml("div", {class: "col"}, [
                         ml("div", {class: "p-2 iv-h"},
                             ml("div", {class: "row"}, [
                                 ml("div", {class: "col mx-2 mx-md-1"}, obj.name),
-                                ml("div", {class: "col a-c"}, "Power limit " + ((obj.power_limit_read == 65535) ? "n/a" : (obj.power_limit_read + " %"))),
-                                ml("div", {class: "col a-r mx-2 mx-md-1"}, String(obj.ch[0][5]) + t.innerHTML)
+                                ml("div", {class: "col a-c"}, "Power limit " + ((obj.power_limit_read == 65535) ? "n/a" : (obj.power_limit_read + "&nbsp;%"))),
+                                ml("div", {class: "col a-r mx-2 mx-md-1"}, String(obj.ch[0][5]) + t.innerText)
                             ])
                         ),
                         ml("div", {class: "p-2 iv-bg"}, [