diff --git a/src/core/render/index.js b/src/core/render/index.js
index cfd7904416..4f4a6da3e5 100644
--- a/src/core/render/index.js
+++ b/src/core/render/index.js
@@ -413,7 +413,7 @@ export function Render(Base) {
 
       if (el) {
         if (config.repo) {
-          html += tpl.corner(config.repo, config.cornerExternalLinkTarget);
+          html += tpl.corner(config.repo, config.cornerExternalLinkTarge);
         }
 
         if (config.coverpage) {
diff --git a/src/core/render/tpl.js b/src/core/render/tpl.js
index 47ceeab746..595cdff763 100644
--- a/src/core/render/tpl.js
+++ b/src/core/render/tpl.js
@@ -1,10 +1,10 @@
 /**
  * Render github corner
  * @param  {Object} data URL for the View Source on Github link
- * @param {String} cornerExternalLinkTarget value of the target attribute of the link
+ * @param {String} cornerExternalLinkTarge value of the target attribute of the link
  * @return {String} SVG element as string
  */
-export function corner(data, cornerExternalLinkTarget) {
+export function corner(data, cornerExternalLinkTarge) {
   if (!data) {
     return '';
   }
@@ -15,10 +15,10 @@ export function corner(data, cornerExternalLinkTarget) {
 
   data = data.replace(/^git\+/, '');
   // Double check
-  cornerExternalLinkTarget = cornerExternalLinkTarget || '_blank';
+  cornerExternalLinkTarge = cornerExternalLinkTarge || '_blank';
 
   return (
-    `<a href="${data}" target="${cornerExternalLinkTarget}" class="github-corner" aria-label="View source on Github">` +
+    `<a href="${data}" target="${cornerExternalLinkTarge}" class="github-corner" aria-label="View source on Github">` +
     '<svg viewBox="0 0 250 250" aria-hidden="true">' +
     '<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>' +
     '<path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>' +