Advanced Layer Slider code shows up in search results instead of description

I’m using an Advanced Layer Slider on the index page of my blog and just noticed that, instead of a short description of my site, some code related the Advanced Layer Slider now shows up in the search results:

[av_layerslider id=’26’] [av_section min_height=” min_height_px=’500px’ padding=’default’ shadow=’no-shadow’ bottom_border=’no-border-styling’ …
You’ve visited this page many times. Last visit: 9/2/15

Is there a way to keep this from happening? I noticed the same effect when I link to posts of my blog on Facebook, Twitter and similar platforms.
I would appreciate any help or pointers.

Thanks.