diff --git a/inxi b/inxi
index ee9f01a..2a528f0 100755
--- a/inxi
+++ b/inxi
@@ -4457,7 +4457,7 @@ sub show_options {
 	verbose or line output, not short form):" ],
 	['2', '-C', '', "If available: CPU vulnerabilities (bugs); family, model-id, stepping - format:
 	hex (decimal) if greater than 9, otherwise hex; microcode - format: hex." ],
-	['2', '-d', '', "If available: logical and physical block sizes." ],
+	['2', '-d,-D', '', "If available: logical and physical block sizes." ],
 	['2', '-p,-P', '', "If available: raw size of partition, percent available for user, 
 	block size of file system (root required); for swap, shows swapiness and vfs cache 
 	pressure, and if values are default or not." ],