1 files changed, 2 insertions, 0 deletions
diff --git a/src/app.rs b/src/app.rs
index 05f411ac..3591dc22 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1034,6 +1034,8 @@ fn flag_max_columns(args: &mut Vec<RGArg>) {
     const LONG: &str = long!("\
 Don't print lines longer than this limit in bytes. Longer lines are omitted,
 and only the number of matches in that line is printed.
+
+When this flag is omitted or is set to 0, then it has no effect.
 ");
     let arg = RGArg::flag("max-columns", "NUM").short("M")
         .help(SHORT).long_help(LONG)