diff --git a/doc/tools/pkcs11-tool.1.xml b/doc/tools/pkcs11-tool.1.xml
index 01035effcf..73c079dafd 100644
--- a/doc/tools/pkcs11-tool.1.xml
+++ b/doc/tools/pkcs11-tool.1.xml
@@ -447,7 +447,7 @@
--slot
id
- Specify the id of the slot to use.
Specify the id of the slot to use (accepts HEX format with 0x.. prefix or decimal number).
--slot-description
description
Specify the description of the slot to use.
--slot-index
index
diff --git a/src/tools/pkcs11-tool.c b/src/tools/pkcs11-tool.c
index c6bfba674b..220dc4981c 100644
--- a/src/tools/pkcs11-tool.c
+++ b/src/tools/pkcs11-tool.c
@@ -352,7 +352,7 @@ static const char *option_help[] = {
"Specify the type of object (e.g. cert, privkey, pubkey, secrkey, data)",
"Specify the ID of the object",
"Specify the label of the object",
- "Specify the ID of the slot to use",
+ "Specify the ID of the slot to use (accepts HEX format with 0x.. prefix or decimal number)",
"Specify the description of the slot to use",
"Specify the index of the slot to use",
"Specify the index of the object to use",