env: extend help for --null
@@ -47,7 +47,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
.optflag(
"0",
"null",
- "end each output line with a 0 byte rather than newline",
+ "end each output line with a 0 byte rather than newline (only valid when printing the environment)",
)
.optopt("u", "unset", "remove variable from the environment", "NAME");
