When you're creating your ad, just use the Insert Keyword feature and we'll automatically place a keyword into the title and/or description when the ad is displayed.
Use the Insert Keyword feature in conjunction with alternate text for the keyword. If you specify alternate text and it doesn't cause the title or description to exceed the maximum number of characters, we'll use the alternate text in the ad. If you don't specify alternate text or the alternate text makes the title or description too long, the default text is used in the ad.
To insert a keyword automatically in a title or description: