Fixed a comment typo of Server/Server.cpp

dbms/src/Server/Server.cpp

@@ -433,7 +433,7 @@ int Server::main(const std::vector<std::string> & args)
         global_context->shutdown();
         LOG_DEBUG(log, "Shutted down storages.");
 
-        /** Explicitly destroy Context. It is more convenient than in destructor of Server, becuase logger is still available.
+        /** Explicitly destroy Context. It is more convenient than in destructor of Server, because logger is still available.
           * At this moment, no one could own shared part of Context.
           */
         global_context.reset();