Google has made some big changes this month to their results pages, that will definitely impact how your site is seen on Google.
You might be able to get a jump on the competition by updating yours ASAP. Have a watch of this MOZ Video but basically if you re-write your snippets (meta descriptions) to be between 230 – 320 characters, you’ll have a more compelling and detailed description for searchers to discover.
It’s a bit of work but well worth it.