chore(typo): fix comment typo (#10101)

Magiccwl · posva · commit f64765fa03c1 · 2019-06-04T11:51:19.000+02:00
diff --git a/src/core/instance/render.js b/src/core/instance/render.js
@@ -84,7 +84,7 @@ export function renderMixin (Vue: Class<Component>) {
     // render self
     let vnode
     try {
-      // There's no need to maintain a stack becaues all render fns are called
+      // There's no need to maintain a stack because all render fns are called
       // separately from one another. Nested component's render fns are called
       // when parent component is patched.
       currentRenderingInstance = vm
