Explain support for searching for duped files

We get this for free from File::Find

1 files changed, 1 insertions, 1 deletions

diff --git a/checkem b/checkem
index c105c3e..f64044a 100755
--- a/checkem
+++ b/checkem
@@ -29,7 +29,7 @@ our $VERSION = 2.9;
 
 # If no arguments, work with the current working directory
 if ( !@ARGV ) {
-    printf {*STDERR} "%s\n", 'Need at least one dir to search';
+    printf {*STDERR} "%s\n", 'Need at least one file or directory';
     exit 2;
 }