diff --git a/src/main.rs b/src/main.rs
index 52390ee..03c46bc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -293,7 +293,7 @@ fn main() {
         .subcommand(SubCommand::with_name("sheet")
             .visible_alias("s")
             .about("Change active timesheet or list existing timesheets")
-            .arg(sheet_arg.clone())
+            .arg(sheet_arg.clone().help("The sheet to switch to. Use - to quickly switch to the previous sheet"))
         )
 
         .subcommand(SubCommand::with_name("list")