Pulse Command Block Not First Suggestion in /give

When using /give to obtain a command block, most often people will tab after just typing "com" at the end of /give @p command_block. Upon using the auto complete, "chain command block" actually appear before "command block"
Steps to repeat:
1. Open world where you are OP in.
2. type "/give @p com" and look at the suggested blocks or items.