Add allowed values for -b option of initial values tool

Change-Id: Ib52a86548462ef1c7e59ca446b0733e5291017f8

diff --git a/tools/ckm_initial_values/main.cpp b/tools/ckm_initial_values/main.cpp
index 4e9e0a1..f717e5e 100644 (file)
--- a/tools/ckm_initial_values/main.cpp
+++ b/tools/ckm_initial_values/main.cpp
@@ -137,7 +137,8 @@ void usage()
            " -a|--accessors <accessor1>[,<accessor2>[,...]]" << std::endl <<
            "                           A list of key-manager clients allowed to access given initial" << std::endl <<
            "                           value separated by commas." << std::endl <<
-           " -b|--backend <backend>    A key-manager's backed to use when saving the initial values." << std::endl;
+           " -b|--backend <backend>    A key-manager's backed to use when saving the initial values." << std::endl <<
+           "                           Allowed values: 'software' and 'hardware'." << std::endl;
 }
 
 Buffer readFile(const std::string& file)