Update _config.yml

Author: kristovatlas

_config.yml

@@ -28,7 +28,7 @@ navbar-links:
 
 # Image to show in the navigation bar - image must be a square (width = height)
 # Remove this parameter if you don't want an image in the navbar
-avatar: "/img/avatar-icon.png"
+avatar: "/img/obpp800x800.png.png"
 
 # If you want to have an image logo in the top-left corner instead of the title text,
 # then specify the following parameter