Small cleanup of daemon synchronization output

Add period to second sentence

src/cryptonote_core/cryptonote_core.cpp

@@ -1325,8 +1325,8 @@ namespace cryptonote
       MGINFO_YELLOW(ENDL << "**********************************************************************" << ENDL
         << "The daemon will start synchronizing with the network. This may take a long time to complete." << ENDL
         << ENDL
-        << "You can set the level of process detailization* through \"set_log <level|categories>\" command*," << ENDL
-        << "where <level> is between 0 (no details) and 4 (very verbose), or custom category based levels (eg, *:WARNING)" << ENDL
+        << "You can set the level of process detailization through \"set_log <level|categories>\" command," << ENDL
+        << "where <level> is between 0 (no details) and 4 (very verbose), or custom category based levels (eg, *:WARNING)." << ENDL
         << ENDL
         << "Use the \"help\" command to see the list of available commands." << ENDL
         << "**********************************************************************" << ENDL);