sum: fix output of about string
@@ -17,8 +17,8 @@ use uucore::{format_usage, show};
static NAME: &str = "sum";
static USAGE: &str = "{} [OPTION]... [FILE]...";
-static ABOUT: &str = r#"Checksum and count the blocks in a file.
- With no FILE, or when FILE is -, read standard input."#;
+static ABOUT: &str = "Checksum and count the blocks in a file.\n\n\
+ With no FILE, or when FILE is -, read standard input.";
// This can be replaced with usize::div_ceil once it is stabilized.
// This implementation approach is optimized for when `b` is a constant,
