diff --git a/lua/cosmic/config/examples/config.lua b/lua/cosmic/config/examples/config.lua
index 847ca4e..35bbabe 100644
--- a/lua/cosmic/config/examples/config.lua
+++ b/lua/cosmic/config/examples/config.lua
@@ -5,19 +5,15 @@
 
 local config = {}
 
--- auto session settings
--- see Cosmic defaults: core/session/init.lua
-config.session = {}
-
--- statusline settings
+-- default statusline icon
 config.statusline = {
   main_icon = '★',
 }
 
--- see Cosmic defaults: core/treesitter/init.lua
+-- See :h nvim-treesitter-quickstart
 config.treesitter = {}
 
--- theming, don't forget to run :PackerSync and reload CosmicNvim when chaning themes
+-- theming, don't forget to run :CosmicReloadSync when changing themes
 -- 'catppuccin'
 -- 'dracula'
 -- 'enfocado'
@@ -68,10 +64,19 @@ config.lsp = {
   ts_utils = {},
 }
 
-config.nvim_tree = {
-  view = {
-    width = 50,
-  },
-}
+-- See https://github.com/folke/todo-comments.nvim#%EF%B8%8F-configuration
+config.comments = {}
+
+-- See :h nvim-tree.setup
+config.nvim_tree = {}
+
+-- See :h notify.setup
+config.notify = {}
+
+-- See https://github.com/rmagatti/auto-session#%EF%B8%8F-configuration
+config.session = {}
+
+-- See :h telescope.setup
+config.telescope = {}
 
 return config
diff --git a/lua/cosmic/core/comments/init.lua b/lua/cosmic/core/comments/init.lua
index 8b110aa..45b34d8 100644
--- a/lua/cosmic/core/comments/init.lua
+++ b/lua/cosmic/core/comments/init.lua
@@ -1,5 +1,7 @@
 local icons = require('cosmic.core.theme.icons')
-require('todo-comments').setup({
+local config = require('cosmic.config')
+
+require('todo-comments').setup(vim.tbl_deep_extend('force', {
   keywords = {
     FIX = {
       icon = icons.debug, -- icon used for the sign, and in search results
@@ -20,4 +22,4 @@ require('todo-comments').setup({
     hint = { 'DiagnosticHint', '#10B981' },
     default = { 'Identifier', '#7C3AED' },
   },
-})
+}, config.comments or {}))
diff --git a/lua/cosmic/core/navigation/init.lua b/lua/cosmic/core/navigation/init.lua
index 3c71d96..fd2aafe 100644
--- a/lua/cosmic/core/navigation/init.lua
+++ b/lua/cosmic/core/navigation/init.lua
@@ -1,5 +1,6 @@
 local actions = require('telescope.actions')
 local icons = require('cosmic.core.theme.icons')
+local config = require('cosmic.config')
 
 local default_mappings = {
   n = {
@@ -37,7 +38,7 @@ local opts_vertical = {
   },
 }
 
-require('telescope').setup({
+require('telescope').setup(vim.tbl_deep_extend('force', {
   defaults = {
     prompt_prefix = '🔍 ',
     selection_caret = icons.folder.arrow_closed,
@@ -114,6 +115,6 @@ require('telescope').setup({
       mappings = default_mappings,
     },
   },
-})
+}, config.telescope or {}))
 
 require('telescope').load_extension('fzf')
diff --git a/lua/cosmic/core/notifications/init.lua b/lua/cosmic/core/notifications/init.lua
index 1ed0b69..d3dd1da 100644
--- a/lua/cosmic/core/notifications/init.lua
+++ b/lua/cosmic/core/notifications/init.lua
@@ -1,5 +1,7 @@
 local icons = require('cosmic.core.theme.icons')
-require('notify').setup({
+local config = require('cosmic.config')
+
+require('notify').setup(vim.tbl_deep_extend('force', {
   icons = {
     ERROR = icons.error,
     WARN = icons.warn,
@@ -8,5 +10,5 @@ require('notify').setup({
     TRACE = icons.trace,
   },
   background_colour = require('cosmic.core.theme.colors').notify_bg,
-})
+}, config.notify or {}))
 vim.notify = require('notify')