diff --git a/lua/code-completion.lua b/lua/code-completion.lua
index 657655e..0a1cb0f 100644
--- a/lua/code-completion.lua
+++ b/lua/code-completion.lua
@@ -2,7 +2,7 @@
 -- noinsert: only insert text when selection confirmed
 -- noselect: force to select from suggestion
 -- preview: show more details
-vim.opt.completeopt = { "menu", "menuone" }
+vim.opt.completeopt = { "menu", "menuone", "preview" }
 
 -- shortmess is used to reduce verbocity
 -- vim.opt.shortmess = vim.opt.shortmess + { c = true }
@@ -62,7 +62,6 @@ cmp.setup({
 		{ name = "buffer", keyword_length = 2 },
 		{ name = "calc" },
 		{ name = "lua-latex-symbols", option = { cache = true } },
-		{ name = "cmp_tabnine", keyword_length = 20 },
 		-- { name = "fuzzy_buffer", keyword_length = 4 },
 	}),
 
@@ -79,7 +78,6 @@ cmp.setup({
 				lualatexsymbols = "󰿈",
 				spell = "󰘝",
 				fuzzy_buffer = "",
-				cmp_tabnine = "🖳",
 			}
 			item.menu = menu_icon[entry.source.name]
 			return item
diff --git a/lua/plugins.lua b/lua/plugins.lua
index 4903d4d..adac980 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -103,10 +103,8 @@ return {
 			wiki_dirs = {
 				-- neowiki.nvim supports both absolute and relative paths
 				{ name = "Personal", path = "~/.wiki" },
-				{ name = "RiscVar", path = "~/Documents/HSRM/riscvar.wiki" },
-				{ name = "Ada/Spark", path = "~/Documents/Science/ada_spark_wiki" },
-				{ name = "FPGA Book", path = "~/Documents/Science/FPGA_Design" },
-				{ name = "Spark-Shell", path = "~/Documents/Programming/spark/spark_shell/spark_shell.wiki" },
+				{ name = "Ada/Spark", path = "~/science/ada_spark_wiki" },
+				{ name = "FPGA Book", path = "~/science/FPGA_Design" },
 			},
 		},
 		keys = {