"coverage changes" is a correct phrase and can be used in written English.
It refers to changes made to insurance coverage or the extent of protection offered by a policy. Here is an example of how it could be used in a sentence: "The company announced that there will be coverage changes to their health insurance plan, with increased benefits for all employees."
Besides the move to 24-hour coverage, changes so far have been modest.
With every swing of the poll pendulum, media coverage changes to savage the front-runner.
It is uncertain whether the new guidelines will lead to coverage changes.
"The around-the-clock coverage changes the ways in which Americans look at the White House," said William B. Bushong, a staff historian at the White House Historical Association, which keeps an archive of baseball-related photos.
To the extent that the polls reflected people's reaction to the news coverage of the debate as much as the debate itself, the jobs report could blunt some of Mr. Romney's momentum if the tenor of news coverage changes.
But L. Rowell Huesmann, an expert on media violence at the University of Michigan, said the search for a causal link between violent behavior and violent fare had taken on new urgency as "the nature of news coverage changes, and the distinction between news and entertainment blurs".
Growing up during the Vietnam War, Ms. Thompson saw "the whole nature of news coverage change".
After these revelations, the tone of media coverage changed again, although only slightly.
More importantly, it won plaudits for the way its Paralympics coverage changed attitudes towards disability among viewers.
When that looked too cheeky, the coverage changed to, "Most Americans are racist, so Obama can't win".
But after the somber morning ceremonies, you could feel the tone of the coverage change and even see the relief on the anchors' faces.
