diff --git a/README.md b/README.md
index 8a59e27..d419f6d 100644
--- a/README.md
+++ b/README.md
@@ -7,5 +7,7 @@ comma), add SIG POTA and SIG_INFO with reference. Multiply record such, that
 every POTA_REF entry is a separate record with own SIG_INFO.
 Extended adif file will be printed to stdout.
 
-Usage:
+## Usage:
+```sh
 adif-pota2sig.pl logfile.adi > extended-logfile.adi
+```