diff --git a/readme.md b/readme.md
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+++ b/readme.md
@@ -14,7 +14,7 @@ You need LaTex and Ruby installed
 
 ## Usage
 
-./beitragsquittung.rb <MT940 file> <Excel file> <member id>
+`./beitragsquittung.rb <MT940 file> <Excel file> <member id>`
 
 The member ID is optional. If not provided, all members are processed.
 The time range is used from the MT940 file.