settings: Fix a grammar typo in LDAP documentation.
settings: Fix a grammar typo in LDAP documentation.

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