diff --git a/src/diagrams/er/erRenderer.js b/src/diagrams/er/erRenderer.js
index 42df1bb53..2e18b678c 100644
--- a/src/diagrams/er/erRenderer.js
+++ b/src/diagrams/er/erRenderer.js
@@ -283,7 +283,7 @@ const drawRelationshipFromLayout = function(svg, rel, g, insert) {
     .attr('dominant-baseline', 'middle')
     .attr('style', 'font-family: ' + getConfig().fontFamily + '; font-size: ' + conf.fontSize)
     .text(rel.roleA);
-  
+
   // Figure out how big the opaque 'container' rectangle needs to be
   const labelBBox = labelNode.node().getBBox();
 
diff --git a/src/mermaidAPI.js b/src/mermaidAPI.js
index af52927f0..10ead65cb 100644
--- a/src/mermaidAPI.js
+++ b/src/mermaidAPI.js
@@ -353,8 +353,8 @@ const config = {
    */
   er: {
     /**
-     * Directional bias for layout of entities. Can be either 'TB', 'BT', 'LR', or 'RL', 
-     * where T = top, B = bottom, L = left, and R = right. 
+     * Directional bias for layout of entities. Can be either 'TB', 'BT', 'LR', or 'RL',
+     * where T = top, B = bottom, L = left, and R = right.
      */
     layoutDirection: 'TB',