diff --git a/ext_scripts/parameters.list b/ext_scripts/parameters.list
index b7ed627f89094992a7e88a568f396f4f98704d1d..d44b363294c9971a16661bf8d8ef785398b0e896 100644
--- a/ext_scripts/parameters.list
+++ b/ext_scripts/parameters.list
@@ -8,4 +8,5 @@ stripe_count Number of consecutive objects in a stripe
 cephx_id Specifies the username (without the client. prefix) to use with the map command
 cephx_keyring Specifies a keyring file containing a secret for the specified user to use with the map command
 cephx_keyfile Specifies a file containing the secret key of --id user to use with the map command
-userspace_only Number of consecutive objects in a stripe
+userspace_only Set if only userspace access is requested
+usp_* Parameters to append to the userspace URI