Remove duration brackets

Author: nightkr

src/main.rs

@@ -12,7 +12,7 @@ const APP_NAME: &str = "containerdebug";
 /// Collects and prints helpful debugging information about the environment that it is running in.
 #[derive(clap::Parser)]
 struct Opts {
-    /// Loop every <DURATION>, instead of shutting down once completed (default <DURATION>: 1m)
+    /// Loop every DURATION, instead of shutting down once completed (default DURATION: 1m)
     #[clap(
         long = "loop",
         value_name = "INTERVAL",