diff --git a/cmd_commands.lua b/cmd_commands.lua
index 818e010..fe1baa9 100644
--- a/cmd_commands.lua
+++ b/cmd_commands.lua
@@ -589,7 +589,7 @@ local function sort__is_slashplus(arg_index, word, word_index, line_state)
 end
 
 local sort__slashplus_parser = clink.argmatcher():addarg({fromhistory=true})
-local function slashplus_link(link, arg_index, word, word_index, line_state)
+local function slashplus_link(_, arg_index, word, word_index, line_state)
     if sort__is_slashplus(arg_index, word, word_index, line_state) then
         return sort__slashplus_parser
     end
@@ -644,12 +644,13 @@ local function sort__delayinit(argmatcher)
     local dirs = clink.argmatcher():addarg(clink.dirmatches)
     local files = clink.argmatcher():addarg(clink.filematches)
 
+    local desc_slpl = descriptions["/+"]
     local flags_list = {
         nosort=true,
         onlink=slashplus_link,
         slashplus_quirks,
         "/?",
-        { match="/+", arginfo=descriptions["/+"][1], description=descriptions["/+"][2], type="flag", suppressappend=true },
+        { match="/+", arginfo=desc_slpl[1], description=desc_slpl[2], type="flag", suppressappend=true },
         "/l"..locales_parser,           "/locale"..locales_parser,
         "/L"..locales_parser,           "/LOCALE"..locales_parser,
         "/m"..memory_parser,            "/memory"..memory_parser,
diff --git a/completions/delta.lua b/completions/delta.lua
index a3423cb..abe509d 100644
--- a/completions/delta.lua
+++ b/completions/delta.lua
@@ -143,7 +143,7 @@ local function delayinit(argmatcher)
     local section = 'text'
     for line in f:lines() do
         -- delta has no way to suppress escape codes in --help output?
-        line = console.plaintext(line)
+        line = console.plaintext(line) -- luacheck: no global
 
         local short, long = line:match('^  (%-.), (%-%-%g+)')
         if not short then