Add a note about `delta -h` to the long help output

1 files changed, 2 insertions, 0 deletions

diff --git a/src/cli.rs b/src/cli.rs
index 95f2c42d..1a7ba767 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -200,6 +200,8 @@ Use '<' for left-align, '^' for center-align, and '>' for right-align.
 
 If something isn't working correctly, or you have a feature request, please open an issue at
 https://github.com/dandavison/delta/issues.
+
+For a short help summary, please use delta -h.
 "
 )]
 pub struct Opt {