diff --git a/check/src/activate.rs b/check/src/activate.rs
index d2014ec..cabc77f 100644
--- a/check/src/activate.rs
+++ b/check/src/activate.rs
@@ -28,6 +28,7 @@ sol! {
     }
 }
 
+/// Activates an already deployed Stylus program by address.
 pub async fn activate_program(cfg: &ActivateConfig) -> Result<()> {
     let provider = sys::new_provider(&cfg.common_cfg.endpoint)?;
     let chain_id = provider
diff --git a/check/src/main.rs b/check/src/main.rs
index 8ea1bee..9270dcd 100644
--- a/check/src/main.rs
+++ b/check/src/main.rs
@@ -112,9 +112,9 @@ pub struct ActivateConfig {
     /// Deployed Stylus program address to activate.
     #[arg(long)]
     address: H160,
-    /// Percent to bump the estimated activation data fee by.
-    #[arg(long)]
-    data_fee_bump_percent: Option<u64>,
+    /// Percent to bump the estimated activation data fee by. Default of 20%
+    #[arg(long, default_value = "20")]
+    data_fee_bump_percent: u64,
 }
 
 #[derive(Args, Clone, Debug)]