diff --git a/core/prelude-mode.el b/core/prelude-mode.el
index 0a172df..c09c2be 100644
--- a/core/prelude-mode.el
+++ b/core/prelude-mode.el
@@ -65,6 +65,7 @@
     (define-key map (kbd "C-c h") 'helm-prelude)
     (define-key map (kbd "C-c I") 'prelude-find-user-init-file)
     (define-key map (kbd "C-c S") 'prelude-find-shell-init-file)
+    (define-key map 'help-command (kbd "C-m") 'discover-my-major)
     ;; make some use of the Super key
     (define-key map [?\s-d] 'projectile-find-dir)
     (define-key map [?\s-p] 'projectile-switch-project)
diff --git a/core/prelude-packages.el b/core/prelude-packages.el
index bdfb77a..a9360d3 100644
--- a/core/prelude-packages.el
+++ b/core/prelude-packages.el
@@ -49,6 +49,7 @@
     anzu
     browse-kill-ring
     dash
+    discover-my-major
     diff-hl
     diminish
     easy-kill