diff --git a/addon/chrome/content/bubbleMap.html b/addon/chrome/content/bubbleMap.html
index 38ebfff..6f727c6 100644
--- a/addon/chrome/content/bubbleMap.html
+++ b/addon/chrome/content/bubbleMap.html
@@ -151,7 +151,7 @@
         }
 
         function setData(nodes){
-          const nodeDataArray = [{ key: 999, text: "Knowledge", parent: undefined }]
+          const nodeDataArray = [{ key: 999, text: "📄", parent: undefined }]
           const linkDataArray = []
           for (const node of nodes) {
             const parent = node.parent.model.id === -1? 999:node.parent.model.id;
diff --git a/addon/chrome/content/mindMap.html b/addon/chrome/content/mindMap.html
index b4b2cee..e8472c6 100644
--- a/addon/chrome/content/mindMap.html
+++ b/addon/chrome/content/mindMap.html
@@ -241,7 +241,7 @@
         function setData(nodes){
           const data = {
             class: "go.TreeModel",
-            nodeDataArray: [{ key: 999, text: "Knowledge", parent: undefined }],
+            nodeDataArray: [{ key: 999, text: "📄", parent: undefined }],
           };
           const colors = []
           for (const node of nodes) {
diff --git a/src/events.ts b/src/events.ts
index 3b3c4b3..8f0a6c4 100644
--- a/src/events.ts
+++ b/src/events.ts
@@ -279,6 +279,7 @@ class AddonEvents extends AddonBase {
           buttonParam.push({
             id: `knowledge-addlink-popup-${node.model.endIndex}`,
             text: node.model.name,
+            rank: node.model.rank,
             eventType: "addToKnowledgeLine",
           });
         }
@@ -312,6 +313,17 @@ class AddonEvents extends AddonBase {
         );
         message.content.editorInstance._knowledgeSelectionInitialized = true;
       }
+      // Title indent
+      const _window = message.content.editorInstance._iframeWindow;
+      const style = _window.document.createElement("style");
+      style.innerHTML = `
+        h2 {text-indent: 10px}
+        h3 {text-indent: 20px}
+        h4 {text-indent: 30px}
+        h5 {text-indent: 40px}
+        h6 {text-indent: 50px}
+      `;
+      _window.document.body.append(style);
       message.content.editorInstance._knowledgeUIInitialized = true;
     } else if (message.type === "enterWorkspace") {
       /*
diff --git a/src/views.ts b/src/views.ts
index 500a882..1064d36 100644
--- a/src/views.ts
+++ b/src/views.ts
@@ -102,7 +102,7 @@ class AddonViews extends AddonBase {
   async addEditorPopup(
     editorInstances: EditorInstance,
     id: string,
-    buttons: { id: string; text: string; eventType: string }[],
+    buttons: { id: string; text: string; rank: number; eventType: string }[],
     parentDropDown: Element
   ) {
     // Use Zotero.Notes._editorInstances to find current opened note editor
@@ -115,10 +115,15 @@ class AddonViews extends AddonBase {
     }
     const popup = _document.createElement("div");
     popup.setAttribute("class", "popup");
+    popup.setAttribute("style", "right: -100px;");
     popup.setAttribute("id", id);
     for (let buttonParam of buttons) {
       const button = _document.createElement("button");
       button.setAttribute("class", "option");
+      button.setAttribute(
+        "style",
+        `text-indent: ${(buttonParam.rank - 1) * 5}px;`
+      );
       button.setAttribute("id", buttonParam.id);
       button.setAttribute("eventType", buttonParam.eventType);
       button.innerHTML = buttonParam.text;
@@ -243,7 +248,7 @@ class AddonViews extends AddonBase {
     const span4 = document.createElement("span");
     span4.setAttribute("class", "cell-text");
     span4.setAttribute("style", "margin-left: 6px;");
-    span4.innerHTML = "Knowledge";
+    span4.innerHTML = "Open Workspace";
     span1.append(span2, span3, span4);
     treeRow.append(span1);
     treeRow.addEventListener("click", (e) => {