diff --git a/src/main/frontend/components/editor.cljs b/src/main/frontend/components/editor.cljs
index 767a5d09c..512d0fd5b 100644
--- a/src/main/frontend/components/editor.cljs
+++ b/src/main/frontend/components/editor.cljs
@@ -491,8 +491,13 @@
          (fn [e key-code]
            (let [key (gobj/get e "key")
                  value (gobj/get input "value")
+                 ctrlKey (gobj/get e "ctrlKey")
+                 metaKey (gobj/get e "metaKey")
                  pos (:pos (util/get-caret-pos input))]
              (cond
+               (or ctrlKey metaKey)
+               nil
+
                (or
                 (and (= key "#")
                      (and
diff --git a/src/main/frontend/db.cljs b/src/main/frontend/db.cljs
index 25cc5536b..c1c808846 100644
--- a/src/main/frontend/db.cljs
+++ b/src/main/frontend/db.cljs
@@ -1180,8 +1180,15 @@
              (string/join "\n"))
 
         :markdown
-        (str (subs content 0 (string/last-index-of content "---\n\n"))
-             "---\n\n")
+        (let [[m leading-spaces first-dashes] (re-find #"(\s*)(---\n)" content)]
+          (if m
+            (let [begin (count leading-spaces)
+                  begin-inner (+ begin (count first-dashes))
+                  second-dashes "\n---\n"
+                  end-inner (string/index-of content second-dashes begin-inner)
+                  end (if end-inner (+ end-inner (count second-dashes)) begin)]
+              (subs content begin end))
+            ""))
 
         content))))
 
diff --git a/src/main/frontend/keyboards.cljs b/src/main/frontend/keyboards.cljs
index 00f81dba1..d711992fb 100644
--- a/src/main/frontend/keyboards.cljs
+++ b/src/main/frontend/keyboards.cljs
@@ -72,8 +72,7 @@
     "ctrl+h" editor-handler/highlight-format!
     "ctrl+shift+a" editor-handler/select-all-blocks!
     "alt+shift+up" (fn [state e] (editor-handler/move-up-down e true))
-    "alt+shift+down" (fn [state e] (editor-handler/move-up-down e false))
-    "ctrl+c ctrl+s" (fn [state e] (search-handler/rebuild-indices!))}
+    "alt+shift+down" (fn [state e] (editor-handler/move-up-down e false))}
    (medley/map-keys util/->system-modifier)))
 
 (defonce chords
@@ -83,7 +82,11 @@
    "t r" ui-handler/toggle-right-sidebar!
    "t e" state/toggle-new-block-shortcut!
    "s" route-handler/toggle-between-page-and-file!
-   })
+   "ctrl+c ctrl+s" (fn [state e]
+                     (search-handler/rebuild-indices!)
+                     ;; return false to prevent default browser behavior
+                     ;; and stop event from bubbling
+                     false)})
 
 (defonce bind! (gobj/get mousetrap "bind"))