diff --git a/src/cli.rs b/src/cli.rs
index 67886ed..1fcec59 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -107,6 +107,9 @@ pub fn pbenchmark(args: &mut env::Args) -> Result<(), PConvertError> {
         _ => false,
     };
 
+    // prints the header information of the table with all
+    // of the columns set to the same size, then prints a
+    // simple line separator
     println!(
         "{:<20}{:<20}{:<20}{:<20}",
         "Algorithm", "Compression", "Filter", "Times"