api: Fix a badly line-wrapped link.
api: Fix a badly line-wrapped link.

Caught by test-help-documentation.

kou/zulip,rht/zulip,punchagan/zulip,tommyip/zulip,dhcrzf/zulip,kou/zulip,hackerkid/zulip,rht/zulip,rishig/zulip,shubhamdhama/zulip,timabbott/zulip,showell/zulip,tommyip/zulip,kou/zulip,shubhamdhama/zulip,brainwane/zulip,hackerkid/zulip,punchagan/zulip,timabbott/zulip,zulip/zulip,showell/zulip,showell/zulip,timabbott/zulip,andersk/zulip,dhcrzf/zulip,shubhamdhama/zulip,rht/zulip,hackerkid/zulip,brainwane/zulip,eeshangarg/zulip,jackrzhang/zulip,showell/zulip,kou/zulip,andersk/zulip,shubhamdhama/zulip,andersk/zulip,timabbott/zulip,punchagan/zulip,rht/zulip,tommyip/zulip,zulip/zulip,synicalsyntax/zulip,andersk/zulip,eeshangarg/zulip,timabbott/zulip,shubhamdhama/zulip,rishig/zulip,rht/zulip,rht/zulip,hackerkid/zulip,dhcrzf/zulip,zulip/zulip,punchagan/zulip,jackrzhang/zulip,showell/zulip,rishig/zulip,brainwane/zulip,eeshangarg/zulip,synicalsyntax/zulip,dhcrzf/zulip,andersk/zulip,jackrzhang/zulip,zulip/zulip,jackrzhang/zulip,dhcrzf/zulip,zulip/zulip,showell/zulip,tommyip/zulip,jackrzhang/zulip,rishig/zulip,hackerkid/zulip,brainwane/zulip,shubhamdhama/zulip,brainwane/zulip,jackrzhang/zulip,hackerkid/zulip,tommyip/zulip,hackerkid/zulip,dhcrzf/zulip,rishig/zulip,rishig/zulip,tommyip/zulip,rishig/zulip,zulip/zulip,timabbott/zulip,tommyip/zulip,kou/zulip,dhcrzf/zulip,brainwane/zulip,eeshangarg/zulip,synicalsyntax/zulip,shubhamdhama/zulip,synicalsyntax/zulip,andersk/zulip,eeshangarg/zulip,andersk/zulip,kou/zulip,synicalsyntax/zulip,eeshangarg/zulip,punchagan/zulip,kou/zulip,zulip/zulip,rht/zulip,brainwane/zulip,timabbott/zulip,showell/zulip,synicalsyntax/zulip,jackrzhang/zulip,synicalsyntax/zulip,punchagan/zulip,eeshangarg/zulip,punchagan/zulip