fix: render-function, transitions-enterleave.md (vuejs#464)

fix the hyperlink of `this.$slots`
fix the hyperlink of 'dynamic component'

Co-authored-by: hejiawei02 <[email protected]>

Author: ajycc20

src/guide/render-function.md

@@ -355,7 +355,7 @@ render() {
 
 ### Slots
 
-You can access slot contents as Arrays of VNodes from [`this.$slots`](../api/#vm-slots):
+You can access slot contents as Arrays of VNodes from [`this.$slots`](../api/instance-properties.html#slots):
 
 ```js
 render() {

src/guide/transitions-enterleave.md

@@ -548,7 +548,7 @@ We can use this to coordinate more expressive movement, such as a folding card,
 
 ## Transitioning Between Components
 
-Transitioning between components is even simpler - we don't even need the `key` attribute. Instead, we wrap a [dynamic component](components.html#Dynamic-Components):
+Transitioning between components is even simpler - we don't even need the `key` attribute. Instead, we wrap a [dynamic component](component-basics.html#dynamic-components):
 
 TODO: update to Vue 3