fix(markdown): Small fixes in docs

markdown/dev/reference/api/macros/cutonfold/en.md

@@ -12,7 +12,7 @@ macro('cutonfold', {
   from: points.cofLeft,
   to: points.cofRight,
   grainline: true
-}
+})
 ```
 
 | Property    | Default | Type                | Description | 

markdown/dev/reference/api/macros/grainline/en.md

@@ -11,7 +11,7 @@ It is provided by the [grainline plugin](/reference/plugins/grainline/).
 macro("grainline", {
   from: points.grainlineFrom,
   to: points.grainlineTo,
-}
+})
 ```
 
 | Property    | Default     | Type       | Description                                  | 

markdown/dev/reference/api/macros/title/en.md

@@ -5,7 +5,7 @@ title: title
 The `title` macro adds a title to a pattern part.  
 It is provided by the [title plugin](/reference/plugins/title).
 
-<Example part="plugin_title" caption="Example of a title added by this macro" />
+<Example part="plugin_title">Example of a title added by this macro</Example>
 
 | Property   | Default | Type                | Description | 
 | ----------:| :-----: | ---------------------------------------------------------- |

markdown/dev/reference/api/macros/vd/en.md

@@ -5,10 +5,9 @@ title: vd
 The `vd` macro adds a *vertical dimension* to your pattern.  
 It is provided by the [dimension plugin](/reference/plugins/dimension/).
 
-<Example 
-  part="point_dy"
-  caption="An example of a vertical dimension"
-/>
+<Example part="point_dy">
+An example of a vertical dimension
+</Example>
 
 ```js
 macro('vd', {