/replaceitem block has incorrect syntax

When typing "/replaceitem block", the syntax in the chat says:

/replaceitem block [x] [y] [z] <slot> <item> [amount] [data] [dataTag]

when it should be:

/replaceitem block <x> <y> <z> <slot> <item> [amount] [data] [dataTag]

because the coordinates of the target block are required.