docs: test new help-check

Author: alex-courtis

lua/nvim-tree/_meta/api/appearance.lua

@@ -2,7 +2,7 @@
 local nvim_tree = { api = { appearance = {} } }
 
 ---
----Open a new buffer displaying all nvim-tree highlight groups, their link chain and concrete definition.
+---FOO a new buffer displaying all nvim-tree highlight groups, their link chain and concrete definition.
 ---
 ---Similar to `:so $VIMRUNTIME/syntax/hitest.vim` as per |:highlight|
 ---