fix typo in book path for devsite builds.

Change-Id: I06b3bfc6ec2d3e9944bef7f7beb3e710525ae867
diff --git a/docs/html/reference/android/support/wearable/watchface/CanvasWatchFaceService.Engine.html b/docs/html/reference/android/support/wearable/watchface/CanvasWatchFaceService.Engine.html
index 7dd4cf4..e38534a 100644
--- a/docs/html/reference/android/support/wearable/watchface/CanvasWatchFaceService.Engine.html
+++ b/docs/html/reference/android/support/wearable/watchface/CanvasWatchFaceService.Engine.html
@@ -126,7 +126,7 @@
     <meta name="subcategory" value="reference" />
 
 
-      <meta name="book_path" value="/reference/android/support/weakable/_book.yaml" />
+      <meta name="book_path" value="/reference/android/support/wearable/_book.yaml" />