diff --git a/docs/core/usage.md b/docs/core/usage.md
index f4e7199..63e743d 100644
--- a/docs/core/usage.md
+++ b/docs/core/usage.md
@@ -48,6 +48,7 @@ Where [options]
are mostly optional configuration flagsāsee [Opti
--head=FILEName of the file whose contents will be appended as-is to the <head> element of the compiled HTML.
--list-charsetsList the supported input character sets, then exit.
--list-formatsList the available story formats, then exit.
+--list-formats-csvList the available story formats as CSV, then exit.
--log-files
Log the processed input files.