diff --git a/Command-line.md b/Command-line.md
index 6a00b4c..d21f6b7 100644
--- a/Command-line.md
+++ b/Command-line.md
@@ -72,7 +72,7 @@ Examples:
 
 ## Sending output to a file
 <pre>
--o, --out &lt;filename>
+-o, --output &lt;filename>
 </pre>
 
 Use this option to send all output to a file. Without the option output is sent to stdout (note that uses of stdout and stderr *from within test cases* are redirected and included in the report - so even stderr will effectively end up on stdout).