diff --git a/src/dagre-wrapper/edges.js b/src/dagre-wrapper/edges.js
index b38b6ace4..6970133fe 100644
--- a/src/dagre-wrapper/edges.js
+++ b/src/dagre-wrapper/edges.js
@@ -49,21 +49,21 @@ export const insertEdgeLabel = (elem, edge) => {
     const startLabelElement = createLabel(edge.startLabelLeft, edge.labelStyle);
     const startEdgeLabelLeft = elem.insert('g').attr('class', 'edgeTerminals');
     const inner = startEdgeLabelLeft.insert('g').attr('class', 'inner');
-    fo=inner.node().appendChild(startLabelElement);
+    fo = inner.node().appendChild(startLabelElement);
     const slBox = startLabelElement.getBBox();
     inner.attr('transform', 'translate(' + -slBox.width / 2 + ', ' + -slBox.height / 2 + ')');
     if (!terminalLabels[edge.id]) {
       terminalLabels[edge.id] = {};
     }
     terminalLabels[edge.id].startLeft = startEdgeLabelLeft;
-    setTerminalWidth(fo,bbox);
+    setTerminalWidth(fo, bbox);
   }
   if (edge.startLabelRight) {
     // Create the actual text element
     const startLabelElement = createLabel(edge.startLabelRight, edge.labelStyle);
     const startEdgeLabelRight = elem.insert('g').attr('class', 'edgeTerminals');
     const inner = startEdgeLabelRight.insert('g').attr('class', 'inner');
-    fo=startEdgeLabelRight.node().appendChild(startLabelElement);
+    fo = startEdgeLabelRight.node().appendChild(startLabelElement);
     inner.node().appendChild(startLabelElement);
     const slBox = startLabelElement.getBBox();
     inner.attr('transform', 'translate(' + -slBox.width / 2 + ', ' + -slBox.height / 2 + ')');
@@ -72,15 +72,14 @@ export const insertEdgeLabel = (elem, edge) => {
       terminalLabels[edge.id] = {};
     }
     terminalLabels[edge.id].startRight = startEdgeLabelRight;
-    setTerminalWidth(fo,bbox);
-
+    setTerminalWidth(fo, bbox);
   }
   if (edge.endLabelLeft) {
     // Create the actual text element
     const endLabelElement = createLabel(edge.endLabelLeft, edge.labelStyle);
     const endEdgeLabelLeft = elem.insert('g').attr('class', 'edgeTerminals');
     const inner = endEdgeLabelLeft.insert('g').attr('class', 'inner');
-    fo=inner.node().appendChild(endLabelElement);
+    fo = inner.node().appendChild(endLabelElement);
     const slBox = endLabelElement.getBBox();
     inner.attr('transform', 'translate(' + -slBox.width / 2 + ', ' + -slBox.height / 2 + ')');
 
@@ -90,7 +89,7 @@ export const insertEdgeLabel = (elem, edge) => {
       terminalLabels[edge.id] = {};
     }
     terminalLabels[edge.id].endLeft = endEdgeLabelLeft;
-    setTerminalWidth(fo,bbox);
+    setTerminalWidth(fo, bbox);
   }
   if (edge.endLabelRight) {
     // Create the actual text element
@@ -98,7 +97,7 @@ export const insertEdgeLabel = (elem, edge) => {
     const endEdgeLabelRight = elem.insert('g').attr('class', 'edgeTerminals');
     const inner = endEdgeLabelRight.insert('g').attr('class', 'inner');
 
-    fo=inner.node().appendChild(endLabelElement);
+    fo = inner.node().appendChild(endLabelElement);
     const slBox = endLabelElement.getBBox();
     inner.attr('transform', 'translate(' + -slBox.width / 2 + ', ' + -slBox.height / 2 + ')');
 
@@ -107,15 +106,14 @@ export const insertEdgeLabel = (elem, edge) => {
       terminalLabels[edge.id] = {};
     }
     terminalLabels[edge.id].endRight = endEdgeLabelRight;
-    setTerminalWidth(fo,bbox);
-    
+    setTerminalWidth(fo, bbox);
   }
 };
 
-function setTerminalWidth(fo, box){
-  if(getConfig().flowchart.htmlLabels && fo){
-    fo.style.width=box.width;
-    fo.style.height=box.height;
+function setTerminalWidth(fo, box) {
+  if (getConfig().flowchart.htmlLabels && fo) {
+    fo.style.width = box.width;
+    fo.style.height = box.height;
   }
 }
 
diff --git a/src/dagre-wrapper/nodes.js b/src/dagre-wrapper/nodes.js
index 652861afa..dca4fd225 100644
--- a/src/dagre-wrapper/nodes.js
+++ b/src/dagre-wrapper/nodes.js
@@ -674,8 +674,8 @@ const class_box = (parent, node) => {
   node.classData.members.forEach((str) => {
     let parsedText = parseMember(str).displayText;
     if (getConfig().flowchart.htmlLabels) {
-      parsedText  = parsedText.replace(/</g, '&lt;').replace(/>/g, '&gt;');
-    } 
+      parsedText = parsedText.replace(/</g, '&lt;').replace(/>/g, '&gt;');
+    }
     const lbl = labelContainer
       .node()
       .appendChild(createLabel(parsedText, node.labelStyle, true, true));
@@ -699,10 +699,10 @@ const class_box = (parent, node) => {
   const classMethods = [];
   node.classData.methods.forEach((str) => {
     const parsedInfo = parseMember(str);
-    let displayText =parsedInfo.displayText;
+    let displayText = parsedInfo.displayText;
     if (getConfig().flowchart.htmlLabels) {
-      displayText  = displayText.replace(/</g, '&lt;').replace(/>/g, '&gt;');
-    } 
+      displayText = displayText.replace(/</g, '&lt;').replace(/>/g, '&gt;');
+    }
     const lbl = labelContainer
       .node()
       .appendChild(
diff --git a/src/diagrams/pie/pieRenderer.js b/src/diagrams/pie/pieRenderer.js
index 85da42279..940594a5d 100644
--- a/src/diagrams/pie/pieRenderer.js
+++ b/src/diagrams/pie/pieRenderer.js
@@ -156,7 +156,7 @@ export const draw = (txt, id) => {
       .attr('y', legendRectSize - legendSpacing)
       .text(function (d) {
         if (parser.yy.getShowData() || conf.showData || conf.pie.showData) {
-          return d.data[0] + ' [' + d.data[1]+ ']';
+          return d.data[0] + ' [' + d.data[1] + ']';
         } else {
           return d.data[0];
         }