why-zulip: Fix a buggy/broken link.
why-zulip: Fix a buggy/broken link.

This was accidentally introduced in
fc6833e46a33b07867b249ac952dea7a54f0530c.

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