diff --git a/rhodecode/public/js/mode/mirc/index.html b/rhodecode/public/js/mode/mirc/index.html
--- a/rhodecode/public/js/mode/mirc/index.html
+++ b/rhodecode/public/js/mode/mirc/index.html
@@ -135,9 +135,9 @@ Raw 315:*: {
     <script>
       var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
         tabMode: "indent",
-		theme: "twilight",
+        theme: "twilight",
         lineNumbers: true,
-		matchBrackets: true,
+        matchBrackets: true,
         indentUnit: 4,
         mode: "text/mirc"
       });