Google Adwords Introduced New Dynamic Structured Snippets
Google Adwords introduced dynamic structured snippets in G+. There will be an additional text which will automatically shows with search based ads, highlighting industry-oriented information about the products and services. This will play a decision making factor.
According to Google - "Dynamic structured snippets, like seller ratings, add value to your ads while saving you time and simplifying campaign management. They show for retail, hotel, and flight searches, with additional verticals to follow later this year. While automated extensions typically boost the average performance of an ad and are also a factor in Ad Rank".
If you want to disable it, just fill this form - https://support.google.com/adwords/contact/dynamic_structured_snippets
For more information about dynamic structured snippets check here.