diff --git a/README.md b/README.md
index c59e4f8..0b75a76 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,8 @@ With your own parameters:
 
     -i   --file_path        Input file (relative or absolute path)
     
+    -o   --output_file      Name/Path for output file (Default: (input file name)_av1.mkv)
+    
     -enc --encoder          Encoder to use (aomenc or rav1e or svt_av1. Default: aomenc. 
                             Example: -enc rav1e)