diff --git a/.config/emacs/lisp/init-highlight.el b/.config/emacs/lisp/init-highlight.el
index da96df8..2eb054f 100644
--- a/.config/emacs/lisp/init-highlight.el
+++ b/.config/emacs/lisp/init-highlight.el
@@ -48,6 +48,9 @@
         (symbol-overlay-mode 1)))
     (advice-add #'deactivate-mark :after #'turn-on-symbol-overlay))
     (define-key symbol-overlay-map (kbd "h") nil)
+    (define-key symbol-overlay-map (kbd "d") nil)
+    (define-key symbol-overlay-map (kbd "c") nil)
+    (define-key symbol-overlay-map (kbd "y") nil)
     (define-key symbol-overlay-map (kbd "g") 'symbol-overlay-map-help))
 
 ;; Colorize color names in buffers
diff --git a/.config/emacs/lisp/init-org.el b/.config/emacs/lisp/init-org.el
index c88d957..29189a8 100644
--- a/.config/emacs/lisp/init-org.el
+++ b/.config/emacs/lisp/init-org.el
@@ -156,6 +156,7 @@ prepended to the element after the #+HEADER: tag."
       (python     . t)
       (ruby       . t)
       (C          . t)
+      (dot        . t)
       (shell      . t))
     "Alist of org ob languages.")
   ;;(unless ON-WINDOWS