docs: fix capitalization in doxygen comments

Change-Id: Ibf5ee5119d12d60d382b0acef8dfd08277c18fcb
diff --git a/daemon/mgmt/command-authenticator.hpp b/daemon/mgmt/command-authenticator.hpp
index 12c6c70..0a3d4e5 100644
--- a/daemon/mgmt/command-authenticator.hpp
+++ b/daemon/mgmt/command-authenticator.hpp
@@ -35,7 +35,8 @@
 
 namespace nfd {
 
-/** \brief Provides ControlCommand authorization according to NFD configuration file.
+/**
+ * \brief Provides ControlCommand authorization according to NFD's configuration file.
  */
 class CommandAuthenticator : public std::enable_shared_from_this<CommandAuthenticator>, noncopyable
 {
@@ -46,10 +47,10 @@
   void
   setConfigFile(ConfigFile& configFile);
 
-  /** \return an Authorization function for module/verb command
+  /** \brief Returns an Authorization function for `module/verb` command.
    *  \param module management module name
-   *  \param verb command verb; currently it's ignored
-   *  \note This must be called before parsing configuration file
+   *  \param verb command verb; currently ignored
+   *  \note This must be called before parsing the configuration file.
    */
   ndn::mgmt::Authorization
   makeAuthorization(const std::string& module, const std::string& verb);
@@ -57,14 +58,14 @@
 private:
   CommandAuthenticator();
 
-  /** \brief process "authorizations" section
+  /** \brief Process `authorizations` section.
    *  \throw ConfigFile::Error on parse error
    */
   void
   processConfig(const ConfigSection& section, bool isDryRun, const std::string& filename);
 
 private:
-  /// module => validator
+  // module => validator
   std::unordered_map<std::string, shared_ptr<ndn::security::Validator>> m_validators;
 };