docs: fix capitalization in doxygen comments

Change-Id: Ibf5ee5119d12d60d382b0acef8dfd08277c18fcb
diff --git a/daemon/mgmt/manager-base.hpp b/daemon/mgmt/manager-base.hpp
index 592d4fa..7702271 100644
--- a/daemon/mgmt/manager-base.hpp
+++ b/daemon/mgmt/manager-base.hpp
@@ -113,7 +113,7 @@
    * @param parameters the original ControlParameters
    * @return whether the original ControlParameters can be validated
    */
-  static bool
+  [[nodiscard]] static bool
   validateParameters(const ControlCommand& command,
                      const ndn::mgmt::ControlParameters& parameters);