Doc typo: "search for files" -> "search in files"
Doc typo: "search for files" -> "search in files"

"Search for files" means that the command looks for files, while actually `SPC s f` searches in some files for lines that match the given search pattern. Changed it to "search in files" to better reflect what the command does.
tsonntag/dotemacs,tsonntag/dotemacs,tsonntag/dotemacs,tsonntag/dotemacs