----------------
The protocol provides a mechanism in which clients can send additional
-information in its first message to the server. These are called "Extra
+information in their first message to the server. These are called "Extra
Parameters", and are supported by the Git, SSH, and HTTP protocols.
Each Extra Parameter takes the form of `<key>=<value>` or `<key>`.
filter-request = PKT-LINE("filter" SP filter-spec)
----
-Clients MUST send all the obj-ids it wants from the reference
+Clients MUST send all the obj-ids they want from the reference
discovery phase as 'want' lines. Clients MUST send at least one
'want' command in the request body. Clients MUST NOT mention an
obj-id in a 'want' command which did not appear in the response