diff --git a/src/config.rs b/src/config.rs
index b7291e40..47dcb0da 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -119,7 +119,7 @@ pub struct Args {
     pub min_round_duration: String,
 
     /// The maximum duration of every round
-    #[clap(short = 'I', long, default_value = "1s", display_order = 7)]
+    #[clap(short = 'T', long, default_value = "1s", display_order = 7)]
     pub max_round_duration: String,
 
     /// The initial sequence number