diff --git a/lib/extensions/latex.el b/lib/extensions/latex.el
index 86905a3..6a27eaa 100644
--- a/lib/extensions/latex.el
+++ b/lib/extensions/latex.el
@@ -1,10 +1,10 @@
+;;; latex-extension --- Latex extension for FG42
+;;; Commentary:
+;;; Code:
 (require 'fpkg)
 (require 'fg42/extension)
 (require 'extensions/latex/init)
 
-;; Dependencies ----------------------------------
-;(depends-on 'lsp-mode)
-
 ;TODO: add to MELPA and remove lsp-latex.el file beside init.el
 ;(with-ability lsp-latex (depends-on 'lsp-latex))
 
@@ -18,3 +18,4 @@
      :docs "lib/extensions/latex/readme.org")
 
 (provide 'extensions/latex)
+;;; latex.el ends here
diff --git a/lib/extensions/latex/init.el b/lib/extensions/latex/init.el
index 8e4f1d6..cdc1824 100644
--- a/lib/extensions/latex/init.el
+++ b/lib/extensions/latex/init.el
@@ -1,4 +1,8 @@
+;;; latex-init --- The entry point for latex extension
+;;; Commentary:
+;;; Code:
 (defun latex-run-lsp ()
+  "Run lsp-mode and set the texlab executable path."
   (require 'extensions/latex/lsp-latex)
   (setq lsp-latex-texlab-executable "texlab")
   (lsp))
@@ -11,3 +15,4 @@
            (add-hook 'tex-mode-hook 'latex-run-lsp)))
 
 (provide 'extensions/latex/init)
+;;; init.el ends here