diff --git a/assets/keymaps/atom.json b/assets/keymaps/atom.json
index 91844295b1c919918e4fdb1026ad989e08695d58..078dabd19208d5a642bba6f80d6b98eac95dfe94 100644
--- a/assets/keymaps/atom.json
+++ b/assets/keymaps/atom.json
@@ -25,7 +25,8 @@
       ],
       "ctrl-shift-down": "editor::AddSelectionBelow",
       "ctrl-shift-up": "editor::AddSelectionAbove",
-      "cmd-shift-backspace": "editor::DeleteToBeginningOfLine"
+      "cmd-shift-backspace": "editor::DeleteToBeginningOfLine",
+      "ctrl-shift-m": "markdown::OpenPreviewToTheSide"
     }
   },
   {