diff --git a/app/src/main/assets/RichTextEditor/editor.html b/app/src/main/assets/RichTextEditor/editor.html
index c6fa5df..f54875d 100755
--- a/app/src/main/assets/RichTextEditor/editor.html
+++ b/app/src/main/assets/RichTextEditor/editor.html
@@ -55,10 +55,10 @@
     }
 
     window.onload = function () {
-        var dummyP = $("#dummyP");
-        var pMargin = parseInt(dummyP.css("marginTop"));
+        var dummyP = $('#dummyP');
+        var pMargin = parseInt(dummyP.css('marginTop'));
         var hr = $('#hr');
-        var hrHeight = hr.outerHeight() + parseInt(hr.css("marginTop")) + parseInt(hr.css("marginBottom"));
+        var hrHeight = hr.outerHeight() + parseInt(hr.css('marginTop')) + parseInt(hr.css('marginBottom'));
         var contentHeight = window.innerHeight - pMargin - $('#title').outerHeight() - hrHeight;
         $('#content').css('height', contentHeight + 'px');
         tinymce.init({
@@ -66,7 +66,7 @@
             remove_trailing_brs: false,
             element_format: 'html',
             allow_unsafe_link_target: true,
-            plugins: "lists",
+            plugins: 'lists',
             toolbar: false,
             menubar: false,
             inline: true
@@ -115,7 +115,7 @@
         if (result) {
             return result[0];
         } else {
-            return "";
+            return '';
         }
     }
 
@@ -130,14 +130,14 @@
     }
 
     function toggleBulletList() {
-        tinyMCE.editors[0].execCommand("InsertUnorderedList", false)
+        tinyMCE.editors[0].execCommand('InsertUnorderedList', false)
         var listState = getListState();
         listState = listState.toLowerCase() === 'ul';
         nativeCallbackHandler.onFormatChange(JSON.stringify({bullet: listState}));
     }
 
     function toggleOrderedList() {
-        tinyMCE.editors[0].execCommand("InsertOrderedList", false)
+        tinyMCE.editors[0].execCommand('InsertOrderedList', false)
         var listState = getListState();
         listState = listState.toLowerCase() === 'ol';
         nativeCallbackHandler.onFormatChange(JSON.stringify({ordered: listState}));
@@ -160,17 +160,17 @@
     }
 
     function enable() {
-        document.addEventListener("selectionchange", selectionChangeHandler, false);
-        document.removeEventListener("click", clickHandeler, false);
+        document.addEventListener('selectionchange', selectionChangeHandler, false);
+        document.removeEventListener('click', clickHandeler, false);
         tinyMCE.editors[0].setMode('design');
         titleDiv.setAttribute("contenteditable", true);
     }
 
     function disable() {
-        document.removeEventListener("selectionchange", selectionChangeHandler, false);
-        document.addEventListener("click", clickHandeler, false);
+        document.removeEventListener('selectionchange', selectionChangeHandler, false);
+        document.addEventListener('click', clickHandeler, false);
         tinyMCE.editors[0].setMode('readonly');
-        titleDiv.setAttribute("contenteditable", false);
+        titleDiv.setAttribute('contenteditable', false);
     }
 
     function clickHandeler(e) {
@@ -236,7 +236,7 @@
         if (lists.length > 0) {
             return lists[0].nodeName.toLowerCase();
         } else {
-            return "";
+            return '';
         }
     }