diff --git a/src/cli.c b/src/cli.c
index cd4758ec..c9bdc6c6 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -130,17 +130,17 @@ usage(void)
    printf("                           - 'immediate' forces connections to close and terminate\n");
    printf("                           - 'cancel' avoid a previously issued 'shutdown gracefully'\n");
    printf("  status [details]         Status of pgagroal, with optional details\n");
-   printf("  switch-to [server]       Switches to the specified primary server\n");
-   printf("  conf [action[            Manages the configuration (e.g., reloads the configuration\n");
-   printf("                           The subcommand [action] can be:\n");
+   printf("  switch-to <server>       Switches to the specified primary server\n");
+   printf("  conf <action>            Manages the configuration (e.g., reloads the configuration\n");
+   printf("                           The subcommand <action> can be:\n");
    printf("                           - 'reload' to issue a configuration reload;\n");
    printf("                           - 'get' to obtain information about a runtime configuration value;\n");
    printf("                                   conf get <parameter_name>\n");
    printf("                           - 'set' to modify a configuration value;\n");
    printf("                                   conf set <parameter_name> <parameter_value>;\n");
    printf("                           - 'ls'  lists the configuration files used.\n");
-   printf("  clear [what]             Resets either the Prometheus statistics or the specified server.\n");
-   printf("                           [what] can be\n");
+   printf("  clear <what>             Resets either the Prometheus statistics or the specified server.\n");
+   printf("                           <what> can be\n");
    printf("                           - 'server' (default) followed by a server name\n");
    printf("                           - a server name on its own\n");
    printf("                           - 'prometheus' to reset the Prometheus metrics\n");