diff --git a/.emacs.d/config/c.el b/.emacs.d/config/c.el
index 7605df6..5f0efc4 100644
--- a/.emacs.d/config/c.el
+++ b/.emacs.d/config/c.el
@@ -1,6 +1,8 @@
+;; set c style to linux and indention to 2
 (setq c-default-style "linux"
       c-basic-offset 2)
 
+;; set max line length to 100
 (add-hook 'c-mode-hook
           (lambda ()
             (set-fill-column 100)))
diff --git a/.emacs.d/config/dev.el b/.emacs.d/config/dev.el
index a93a3c2..08cc5f3 100644
--- a/.emacs.d/config/dev.el
+++ b/.emacs.d/config/dev.el
@@ -1,4 +1,3 @@
-;; paredit
 (use-package paredit
   :ensure t
   :config
@@ -37,7 +36,6 @@
 ;; enable flyspell checks for comments in code
 (add-hook 'prog-mode-hook #'flyspell-prog-mode)
 
-;; language server
 (use-package lsp-mode
   :ensure t
   :config
diff --git a/.emacs.d/config/git.el b/.emacs.d/config/git.el
index 045c313..050e1bb 100644
--- a/.emacs.d/config/git.el
+++ b/.emacs.d/config/git.el
@@ -1,4 +1,3 @@
-;; magit
 (use-package magit
   :ensure t
   :init
diff --git a/.emacs.d/config/ripgrep.el b/.emacs.d/config/ripgrep.el
index 0bbd8a9..e5b8a87 100644
--- a/.emacs.d/config/ripgrep.el
+++ b/.emacs.d/config/ripgrep.el
@@ -1,4 +1,3 @@
-;; use ripgrep in emacs
 (use-package deadgrep
   :ensure t
   :bind ("M-s d" . deadgrep))