diff --git a/docs/src/components/info-window.md b/docs/src/components/info-window.md
index 50c8800..fb47f1c 100755
--- a/docs/src/components/info-window.md
+++ b/docs/src/components/info-window.md
@@ -17,13 +17,15 @@ You can create info window by passing custom HTML or Vue components as the child
 ## Open/close info window
 You can pass `opened` prop to open and close InfoWindows.
 
-```vue
+```vue{7}
   <GmapMap>
     <GmapMarker
       :key="index"
       v-for="(m, index) in markers"
     >
-      <GmapInfoWindow :opened="true">
+      <GmapInfoWindow
+        :opened="true"
+      >
         <div>I am in info window <MyComponent/>
         </div>
       </GmapInfoWindow>