diff --git a/fhem/www/pgm2/console.js b/fhem/www/pgm2/console.js
index e00386414..816938f31 100644
--- a/fhem/www/pgm2/console.js
+++ b/fhem/www/pgm2/console.js
@@ -60,6 +60,7 @@ consUpdate(evt)
   if(new_content == undefined || new_content.length == 0)
     return;
   log("Console Rcvd: "+new_content);
+  // replace space with nbsp to preserve formatting
   var rTab = {'<':'&lt;', '>':'&gt;',' ':'&nbsp;'};
   new_content = new_content.replace(/(.*)<br>[\r\n]/g, function(all,p1) {
     return p1.replace(/[<> ]/g, function(a){return rTab[a]})+"<br>";